Doctors for Colon cancer

Dr. Konstantinos Xydis, BSc, MD, MSc, PhD, is a Radiation Oncologist with many years of experience in Germany, not only in the treatment of malignant diseases but also in the modern application of Low-Dose Radiation Therapy (LDRT) for benign musculoskeletal disorders.

He collaborates with the HYGEIA Hospital (Athens), IASIS – Gavrilakis General Clinic and Evangelisches Krankenhaus Wesel in Germany.

He completed his specialization at Metaxa Oncology Hospital in Greece and at the University Hospital Essen in Germany.

He has served as Senior Consultant (Attending Physician) and Consultant at the University Hospital Essen in Germany and as Director at Evangelisches Krankenhaus Wesel in Germany.

He has extensive experience in radiation therapy for musculoskeletal conditions such as knee and hip osteoarthritis, heel spur, and elbow epicondylitis (tennis/golf elbow).

Dr. Konstantinos Xydis, BSc, MD, MSc, PhD, ist Facharzt für Strahlentherapie und Radioonkologie mit langjähriger Erfahrung in Deutschland – nicht nur in der Behandlung bösartiger Erkrankungen, sondern auch in der modernen Anwendung der Niedrigdosis-Strahlentherapie (Low-Dose Radiation Therapy – LDRT) bei gutartigen Erkrankungen des Bewegungsapparates.

Er kooperiert mit dem HYGEIA-Krankenhaus (Athen), der IASIS – Allgemeine Klinik Gavrilakis sowie dem Evangelischen Krankenhaus Wesel in Deutschland.

Seine Facharztausbildung absolvierte er im Onkologischen Krankenhaus „Metaxa“ in Griechenland sowie am Universitätsklinikum Essen in Deutschland.

Er war als Oberarzt und Facharzt am Universitätsklinikum Essen tätig sowie als Chefarzt am Evangelischen Krankenhaus Wesel in Deutschland.

Er verfügt über umfangreiche Erfahrung in der Strahlentherapie bei Erkrankungen des Bewegungsapparates wie Knie- und Hüftarthrose, Fersensporn sowie Epicondylitis des Ellenbogens (Tennis- bzw. Golferellenbogen).

Ioanna Papadopoulou is a General Surgeon and maintains private practices in Cholargos and Glyfada. She performs exclusively laparoscopic surgery for benign and malignant conditions of the upper and lower gastrointestinal tract, gallbladder and bile ducts, as well as all types of abdominal wall hernias. She received her Medical Degree from the “Gr. T. Popa” University of Medicine and Pharmacy in Iasi in 2012. She completed her rural service at the General Hospital of Messinia – Kyparissia Nursing Unit in 2013–2014. In 2021, she obtained her surgical specialty certification.

During her specialty training, she served at the 417 Army Fund Nursing Institution (N.I.M.T.S), where she specialized in advanced laparoscopic surgery for malignant colon diseases, obesity, reflux, and hernias, as well as thyroid malignancies. Additionally, at the Sismanogleio General Hospital of Athens, she participated in a large volume of colon and thyroid cancer surgeries. Considering that the present of surgery lies in laparoscopic and robotic techniques, she attended advanced laparoscopic seminars organized by ELPEN under the auspices of the Hellenic Surgical Society from 2016 to 2018.

In 2021, she completed further training in Surgical Oncology, earning a Master of Science (MSc) degree from the National and Kapodistrian University of Athens. Finally, in 2023, she received additional training in the latest methods for managing complex diaphragmatic hernias and reflux at the Symposium on Innovation in Surgery in Malta.

Xorti Aggeliki is a General Surgeon and maintains a private practice in Ano Toumba, Thessaloniki. She holds a PhD from the Medical School of Aristotle University of Thessaloniki and has completed a postgraduate degree in Biostatistics and Research Methodology at the University of Thessaly. Her medical degree was awarded by Aristotle University of Thessaloniki. Since 2024, she has been working as a General Surgeon at the AHEPA University General Hospital of Thessaloniki and Euromedica Cyan Cross. Concurrently, she serves as an Academic Reader in the English-speaking department of the Medical School at Aristotle University of Thessaloniki. She has specialized in Endocrine Surgery at the Universita di Pisa in Italy. Finally, the physician offers a wide range of services at her private practice, tailored to the individual needs of each patient.

Dr. Svoronos Gerasimos is a General Surgeon with a private practice in Cholargos. He has 38 years of surgical experience, having performed a large number of operations. He holds a PhD and a degree from the Medical School of the National and Kapodistrian University of Athens. He served as the Head of the Surgical Department at the General Hospital for Thoracic Diseases of Athens "Sotiria" for 20 consecutive years. During his 20 years at the clinic, he participated in a significant number of surgical procedures.

Tzatzarakis Emmanouil is a General Surgeon - Endocrine Surgeon, PhD holder from the University of Heidelberg in Germany, and maintains a private practice in Kalamata. In 2008, he was admitted to the Medical School of the National and Kapodistrian University of Athens, from which he graduated in 2014 with an excellent degree (8.8). After graduation, he moved to Germany, where he began his training in the specialty of General Surgery at the University Clinic of Mannheim, completing it in 2021. He continued to work at the same clinic as a Senior Registrar II until 2024, with a special focus on laparoscopic repair of abdominal wall hernias. In 2022, he completed his doctoral dissertation at the University of Heidelberg, earning the title of Doctor (Dr. med.). From 2024 until June 2025, he worked as a Senior Registrar I at the Thyroid and Parathyroid Surgery Center of Marienhaus Klinikum in Mainz, Germany, where he performed approximately 200 thyroid and parathyroid surgeries and participated in over 500 in total. In June 2025, he relocated to his wife’s hometown, Kalamata, together with her and their two children, beginning his professional activity in Greece.

Koutsogiorgas Paris is a General Surgeon and maintains a private practice in Psychiko, within the Psychiko Medical Center. He graduated from the Medical School of Aristotle University of Thessaloniki and completed his specialty training at the 2nd University Surgical Clinic of Laiko Hospital in Athens. He is an Associate of the most prominent private clinics, including Psychiko Clinic of the Athens Medical Group, Iaso General, Bioclinic, and Euroclinic. He has extensive experience across the full spectrum of General Surgery and Laparoscopic Surgery, with specialization in breast surgery and endocrine glands (thyroid and parathyroid glands), managing all related cases. He employs the most advanced medical technologies, with patient safety and health protection as his utmost priority. Furthermore, he has attended seminars at significant hospital centers in Europe, aiming for continuous education and updates in his field.

Stratigos Panagiotis is a General Surgeon and sees patients for consultation at the outpatient Surgical Clinic of the private Lumedica clinic in Peristeri. He holds a PhD from the National and Kapodistrian University of Athens and is a graduate of the Medical School of the same university. He specialized in General Surgery at the following hospitals: General Hospital of Piraeus "Tzaneio," General Hospital of Nikaia "Agios Panteleimon," and 251 Air Force General Hospital. Since 2007, he has been serving at the General Hospital of Athens "Elpis," where he currently holds the position of Director of General Surgery. He has served as Senior Registrar (Grade A and B) at the General Hospitals of Athens "Elpis," Mytilene, and Lemnos, and has also worked as a Locum General Surgeon in MULTIPLE hospitals in the United Kingdom. His specialization is General Surgery, with a particular interest in modern surgical techniques. He is a member of the Athens Medical Association, the General Medical Council (UK), and the International Society of Surgery (ISS-SIC).

Dr. Lazaros Lazarou is a General Surgeon, certified in surgical oncology of the colon and rectum, pancreas, stomach, liver, and thyroid gland, as well as in proctology, with specialized expertise in laparoscopic and robotic surgical procedures. He maintains a private medical practice in Volos, Greece. He studied and specialized in Germany, where he pursued a career in Surgery. He completed his residency at the Department of General, Visceral and Transplant Surgery of the University Hospital of Ulm, where in 2007 he obtained his Board Certification in General Surgery and was appointed Consultant Surgeon, while in 2010 he acquired the qualification in Advanced Visceral Surgery. In 2013, he was promoted to Deputy Director, and in 2015 to Associate Director of Surgery, with parallel responsibilities for the development of the 14 Centers of Excellence of the surgical department, including all oncological centers, as well as centers for inflammatory bowel disease, thyroid and parathyroid glands, hernia, and sarcoma. In 2017, he assumed the position of Director of General, Visceral, Thoracic and Transplant Surgery at the Stuttgart Hospital, which is a certified Oncology Cancer Center of the German Cancer Society (DKG) and a Transplant Center with 23 Centers of Excellence. At the same hospital, he also served as Scientific Coordinator and Medical Director, with responsibilities including: coordination of the Visceral Oncology Center (esophagus, stomach, pancreas, liver, colon and rectum, endocrine glands, peritoneal and other metastases, sarcoma), director of the Oncological–Visceral Tumor Board, delegate for the education of medical students at the Center for Surgical Medicine, transfusion officer of the department, coordinator of the research programs of the Visceral Oncology Center, officer responsible for quality assurance of the Department of General, Visceral, Thoracic and Transplant Surgery, as well as member of the committee of the German Cancer Society responsible for the certification of Centers of Excellence in Visceral and Oncological Medicine. Mr. Lazaros Lazarou returned to Greece with his family, aiming to offer his extensive surgical experience and scientific expertise acquired at leading German and European certified centers where he worked. His commitment focuses on personalized treatment based on Greek and international protocols, access to minimally invasive surgery, optimal surgical outcomes, absolute transparency and trust, as well as continuous education and innovation. Following a competitive selection process, he assumed the position of Coordinating Director of Surgery at the Volos Hospital, while simultaneously providing his services at his private practice and in private hospitals. His clinic focuses on minimally invasive surgical techniques (laparoscopic and robotic surgery) and specialized oncological surgery. Particular emphasis is placed on colorectal cancer, pancreatic cancer, as well as the surgical treatment of endocrine glands and proctology. Dr. Lazaros Lazarou is a member of distinguished German and Greek medical societies that play a leading role in his specialty and actively participates in their conferences and scientific activities. He has contributed to the authorship of studies published in prestigious international scientific journals and has delivered numerous lectures and presentations at international conferences.

Ntourakis Dimitrios MD, PhD, FACS is a General Surgeon maintaining a private practice in Paleo Faliro. He is a Professor of Surgery at the European University of Cyprus and the Director of the Minimally Invasive Surgery Clinic at Iatriko Paleo Faliro. He holds a PhD from the Medical School of the National and Kapodistrian University of Athens and is a graduate of the same institution’s Medical School. Additionally, he holds diplomas in Laparoscopic Surgery, Ultrasound, and Ultrasonographic Techniques from the University of Strasbourg, a diploma in Hepato-Biliary and Pancreatic Surgery from Paris XI University, and a diploma in Colorectal and Anal Surgery from Paris Diderot - Paris VII University. It is also noteworthy that he graduated from the Surgical Leadership Program at the Harvard Medical School. He initially specialized at Korgialeneio - Benakeio Hospital of the Hellenic Red Cross and subsequently continued his training at the University of Strasbourg, France, where he later served as Chef de Clinique des Universités. Finally, he has participated in numerous conferences and courses and has an extensive number of publications in international scientific journals. He is a member of scientific associations and societies in Greece and abroad.

Alivizatos Vasileios MD, PhD is a general surgeon, Doctor of Medicine from the Medical School of the University of Patras, and former Coordinating Director of the Surgical Clinic at the General Hospital of Patras "Saint Andrew," where he served for a total of 36 years as a specialized surgeon. During his career, he received advanced training in liver-biliary-pancreatic surgery in Bern, Switzerland; new hernia repair techniques in Mechelen, Belgium; and Artificial Nutrition (Parenteral, Enteral) in Manchester, United Kingdom. He has attended numerous advanced training seminars in the USA and has participated in 139 medical conferences (74 in Greece, 65 abroad, mainly Europe, USA, Asia), presenting scientific clinical studies as well as delivering lectures and talks upon invitation by medical societies. Furthermore, he has 124 publications of clinical studies in Greek and international medical journals and books, with 4 of his published studies in international medical journals cited 119 times in studies by foreign authors (citation index). He has extensive experience in surgical procedures of minor and moderate severity (hernias, pilonidal cyst, lipomas, biliary diseases, anal conditions, etc.), as well as major surgeries (benign and malignant diseases of the stomach, small and large intestine, kidney, uterus, ovaries) and benign and malignant diseases of the pancreas (chronic pancreatitis, pancreatic tumors, pancreaticoduodenectomies Whipple). Currently, he practices in the private sector, covering the full spectrum of general surgery as well as Artificial Nutrition (Parenteral and Enteral, gastrostomies, enterostomies) for patients with chronic conditions who are unable to be fed orally.

Dr. Tsilividis Vasileios is a General Surgeon specializing in Oncological, Laparoscopic, and Bariatric Surgery, with extensive experience in university and private clinics in France and Greece, having completed more than 3,500 surgeries.

He maintains a private practice in Marousi.

He graduated from the French School of Athens and continued his studies at the Medical School of René Descartes University in Paris. There, he earned a Doctorate in Medicine and subsequently obtained numerous university diplomas in France, including specializations in digestive system surgery, oncological surgery, and bariatric surgery. He is also a member of the Hellenic Society of Gastrointestinal Oncology.

His professional career began at the University Hospital of Rouen, where he served as a resident, registrar, and later as a hospital physician. Since 2017, he has worked in clinics in France primarily focusing on General, Laparoscopic, Bariatric, and Oncological surgery using minimally invasive techniques. He currently offers his services at the Athens Medical Center in Marousi.

Dr. Tsilividis has participated in numerous scientific conferences and seminars, has published papers in international medical journals, and has undertaken educational roles at the university level.

He is fluent in French and English.

Dr. Ioannis Zouridakis, MD, MSc, is a General Surgeon and Breast Specialist who has maintained a private practice in Korydallos since 1994 and recently within REA Hospital. He is a Scientific Collaborator and a PhD candidate at the Medical School of the National and Kapodistrian University of Athens. He earned his medical degree in 1986 from the University of Rome “La Sapienza” with a doctoral thesis completed during his studies. He specialized in General Surgery at the General Hospital of Athens "Evangelismos" and further specialized in Laparoscopic Surgery at the University of Montpellier in France. He attended the European Advanced Level Course in Breast Disease Management for Surgeons in Athens and specialized in the treatment of breast diseases at the 6th Oncology Hospital "G. Gennimatas." Subsequently, he specialized in hernia surgery using dual mesh PHS & Prolene 3D Patch at Umberto I Hospital in Italy and also specialized in Minimally Invasive Operating Techniques in Colorectal Surgery. He has worked in numerous hospitals and clinics and has served for many years as the Director of the Surgical Clinic at Metropolitan Hospital. Currently, he works daily as a Surgeon – Laparoscopist – Breast Specialist (Consultant Surgeon) at the General and Maternity Hospital REA, one of the most modern hospitals in Greece. Finally, he has attended and participated in over 100 medical conferences in Greece and abroad.

Mantonakis Eleutherios MD, MSc, PhD is a General Surgeon, Doctor of the Medical School of the National and Kapodistrian University of Athens, Director of the I' Surgical Clinic at Errikos Dynan Hospital, with a private practice in Kolonaki. He has completed postgraduate studies in Liver, Biliary Tract, and Pancreatic Surgery and specialized in General Surgery at the A’ Surgical Clinic of the National and Kapodistrian University of Athens at Laiko Hospital. He received further training in Laparoscopic Surgery and Surgical Oncology at the University Hospitals Beaujon and Georges-Pompidou in Paris. He also underwent advanced training in minimally invasive management of anorectal diseases (Laser LHP, SiLaC, FiLaC) in Germany. He is a member of the International Society for Laser Applications in Proctology. Moreover, he possesses significant research experience, having participated in numerous scientific conferences both as an attendee and as a speaker or with scientific presentations, and he has numerous publications in foreign languages.

O Αθανάσιος Ξάκης γεννήθηκε στον Πολύγυρο Χαλκιδικής στις 22 Ιανουαρίου του 1994. Φοίτησε με αθλητική και ακολούθως μαθητική υποτροφία στο λύκειο των Εκπαιδευτηρίων Μαντουλίδη από όπου και τελικώς αποφοίτησε με άριστα το 2011. Κατά τη διάρκεια της μαθητικής του πορείας έλαβε αποδοχές και υποτροφίες για φοίτηση σε διακεκριμένα πανεπιστήμια των Ηνωμένων Πολιτειών της Αμερικής και του Ηνωμένου Βασιλείου. 

Σπούδασε Ιατρική στο Πανεπιστήμιο Ιωαννίνων. Κατά τη διάρκεια των σπουδών του υπήρξε μέλος του Εργαστηρίου Ανατομίας, υπεύθυνος για την εκπαίδευση και την ένταξη νέων φοιτητών ιατρικής καθώς επίσης συμμετείχε σε πληθώρα σεμιναρίων και παρουσιάσεων σε διεθνή συνέδρια. 

Μετά το πέρας των σπουδών του πραγματοποίησε Κλινική Άσκηση στη Χειρουργική στο Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada στην Yogyakarta της Ινδονησίας καθώς επίσης και Κλινική Άσκηση στην Αγγειοχειρουργική στο University Medical Centre Utrecht στην Ουτρέχτη της Ολλανδίας. 

Εργάστηκε ως ειδικευόμενος Χειρουργικής στο Γενικό Νοσοκομείο Σερρών για 2 έτη και στη συνέχεια στο Γενικό Νοσοκομείο Θεσσαλονίκης Γ. Παπαγεωργίου για 4 έτη, από όπου και έλαβε τον τίτλο ειδικότητας. Κατά τη διάρκεια της ειδικότητας του συμμετείχε και σε πληθώρα χειρουργείων ως βοηθός χειρουργός του Τμήματος Χειρουργικής Ήπατος Χοληφόρων-Παγκρέατος της Κλινικής Άγιος Λουκάς, στο Πανόραμα Θεσσαλονίκης. 

Μετά την ολοκλήρωση της ειδικότητας μετεκπαιδεύτηκε στη Χειρουργική Ήπατος, Χοληφόρων, Παγκρέατος & Μεταμοσχεύσεων Ήπατος στο Organ Transplantation Center, China Medical University Hospital στην Taichung της Ταϊβάν. 

Από τον Αύγουστο του 2025 εργάζεται ως Επιμελητής Χειρουργός στο Γενικό Νοσοκομείο Θεσσαλονίκης Γ. Παπανικολάου ενώ παράλληλα αποτελεί Συνεργάτη Χειρουργό της Κλινικής Άγιος Λουκάς. 

Είναι μέλος του Ιατρικού Συλλόγου Θεσσαλονίκης, ενώ υπήρξε και μέλος Οργανωτικών Επιτροπών μεγάλου αριθμού τοπικών και διεθνών Συνεδρίων και Ημερίδων. 

Είναι κάτοχος του Μεταπτυχιακού Διπλώματος Ειδίκευσης στη Χειρουργική Ογκολογία του Πεπτικού Συστήματος του Αριστοτελείου Πανεπιστήμιου Θεσσαλονίκης και υποψήφιος κάτοχος του Μεταπτυχιακού Διπλώματος Ειδίκευσης στον Καρκίνο του Παγκρέατος του Πανεπιστημίου Θεσσαλίας.

Έχει παρακολουθήσει πληθώρα σεμιναρίων και συνεδρίων τόσο διεθνών όσο και του εξωτερικού, έχει παρουσιάσει ως ομιλητής σημαντικό αριθμό προφορικών ανακοινώσεων με αντίστοιχες τιμητικές διακρίσεις και βραβεία ενώ έχει συμμετάσχει και στη δημοσίευση επιστημονικών άρθρων σε διακεκριμένα περιοδικά του εξωτερικού.

Ο Θανόπουλος Αριστομένης είναι έμπειρος Γενικός Χειρουργός με ιδιωτικό ιατρείο στη Γλυφάδα και δευτερεύον ιατρείο στο Περιστέρι. Είναι πτυχιούχος της Ιατρικής Σχολής του Πανεπιστημίου Κρήτης και κάτοχος Μεταπτυχιακού Διπλώματος στη Χειρουργική Ογκολογία από το Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών. Κατά την ειδίκευσή του στη Γενική Χειρουργική στα Νοσοκομεία «Ο Άγιος Ανδρέας» στην Πάτρα και «Γ. Γεννηματάς» στην Αθήνα απέκτησε ισχυρές χειρουργικες βάσεις, καλυπτοντας ολοκληρο το φασμα της χειρουργικης παθολογιας. Στη συνέχεια, υπηρέτησε ως Επιμελητής στο Ογκολογικό Νοσοκομείο Κηφισιάς «Οι Άγιοι Ανάργυροι», όπου εκτέθηκε σε όλο το φάσμα της χειρουργικής ογκολογίας, αποκτώντας εμπειρία σε πολύπλοκες ογκολογικές επεμβάσεις. Η εξειδίκευσή του επεκτάθηκε διεθνώς, αφου ακολουθως μετεβη στο Royal Free Hospital του Λονδίνου, ως Senior Clinical Fellow,οπου υπο την επίβλεψη του πρωτοπόρου Άγγλου χειρουργού Colin Elton στη HAL RAR, εξειδικεύτηκε στην colorectal χειρουργική ( παχεος εντερου και ορθου), στις καλοήθεις παθήσεις των χοληφόρων, ιδιαίτερα στις οξείες χολοκυστίτιδες, καθώς και στην επειγουσα χειρουργική, συμπεριλαμβανομένων οξέων κοιλιών και τραυματικών περιστατικών. Σε όλη του την καριέρα, ο κ. Θανόπουλος έχει συμμετάσχει σε πάνω από 5.000 χειρουργικές επεμβάσεις, με ιδιαίτερη έμφαση στη λαπαροσκοπική χειρουργική, αποκτώντας εξαιρετική εμπειρία σε ελάχιστα επεμβατικές και ογκολογικές τεχνικές. Σήμερα, υπηρετεί ως Επιμελητής Χειρουργός στην Κλινική Ελάχιστα Επεμβατικής Χειρουργικής, Χειρουργικής Ογκολογίας και Βαριατρικής του Mediterraneo Hospital και συνεργάζεται ως εξωτερικός συνεργάτης με τον Όμιλο Ιατρικού Αθηνών και το Ευγενίδειο Θεραπευτήριο. Αναλαμβανει όλο το φάσμα της γενικής και λαπαροσκοπικής χειρουργικής, της χειρουργικής ογκολογίας, καθώς και των επειγόντων επεμβάσεων, εφαρμόζοντας τεχνικές 3D λαπαροσκοπικής απεικόνισης για ελαχιστοποίηση του κινδύνου χειρουργικών λαθών. Διαθέτει εμπειρία στη χρήση laser σε ελάχιστα επεμβατικές επεμβάσεις, όπως αιμορροϊδοπάθεια και κύστη κόκκυγος, ενώ στο ιατρείο του πραγματοποιούνται και μικροεπεμβάσεις με τοπική αναισθησία (αφαίρεση σπίλων, λιπωμάτων, κύστεων, συρραφή τραυμάτων). Εφαρμόζει επίσης σύγχρονες τεχνικές βιολογικής ενίσχυσης της επούλωσης, όπως PRP (πλάσμα πλούσιο σε αιμοπετάλια), που επιταχύνουν την ανάπλαση των ιστών και μειώνουν τον χρόνο αποκατάστασης μετά από επεμβάσεις. Επιπλέον, έχει ενεργή συμμετοχή σε διεθνή, ευρωπαϊκά και πανελλήνια συνέδρια, με παρουσιάσεις και δημοσιεύσεις σε εργασίες σχετικές με τη χειρουργική ογκολογία και λαπαροσκοπική χειρουργική. Ο κ. Θανόπουλος ασκεί την ιατρική με γνώμονα την ασφάλεια, την ακρίβεια και την εξατομίκευση της θεραπείας, υιοθετώντας καινοτόμες τεχνικές και ακολουθώντας διεθνείς κατευθυντήριες οδηγίες, εξασφαλίζοντας στους ασθενείς του το καλύτερο δυνατό αποτέλεσμα.