General surgeon for Colon cancer in Nea Ionia

Kouzanidis Nikolaos MD, MSc is a General Surgeon with private practices in Nea Ionia and Ampelokipoi. He graduated from the Medical School of the University of Patras and has completed postgraduate studies in minimally invasive surgery, robotic surgery, and telesurgery at the Medical School of the National and Kapodistrian University of Athens. The physician performs laparoscopic cholecystectomies, inguinal hernias, umbilical hernias, and all types of surgical procedures, as well as home-based pressure ulcer debridement. Kouzanidis Nikolaos continuously updates his knowledge in his specialty through active participation in conferences and attendance at seminars. Finally, he is a member of the Medical Association of Athens, the Hellenic Surgical Society, the Hellenic Society of Laparoscopic Surgery & Other Interventional Techniques, as well as the European Association for Endoscopic Surgery.

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.

Maria Mixailidou MD, FACS, FASCRS is a General Surgeon maintaining a private practice within the HYGEIA Hospital in Marousi. She studied at the Medical School of the University of Patras and continued her medical training in the USA. There, she conducted clinical research in the Department of Emergency Surgery, Trauma, and Critical Care at Massachusetts General Hospital in Boston, under Harvard University, and specialized in General Surgery at the University of Arizona. Additionally, she specialized in Colon and Rectal Surgery at Penn State University. She is board-certified by the American Board of Surgery in General Surgery and by the American Board of Colon and Rectal Surgery. She possesses significant clinical experience having worked in clinics in the USA, as well as extensive scientific and research experience, reflected in numerous publications in international scientific journals and chapters she has authored in international surgical textbooks.

Georgios Bpagias is a General Surgeon, PhD holder from the Medical School of Athens. He completed his medical studies at the Medical School of Athens with "Excellent" marks and undertook his specialty training in Greece and Germany (university clinics of general surgery and transplantation in Hannover and Essen). Concurrently, he completed his doctoral thesis on short bowel syndrome also with "Excellent" marks, while specializing in minimally invasive colorectal surgery at the University of Strasbourg, with an emphasis on modern laparoscopic techniques. Subsequently, he completed specialization in pelvic floor disorder management at the University of Venice.

In his clinical practice, he manages general surgery cases covering a broad spectrum, from minor procedures and routine laparoscopic surgeries to specialized colorectal and pelvic floor surgeries. His primary concern is responsible and evidence-based consultation on all surgical issues, aiming for appropriate guidance and making safe therapeutic decisions.

He maintains active scientific involvement, participating predominantly as a speaker and trainer in international, as well as pan-European and Greek scientific conferences. Additionally, he is the author of numerous scientific publications in international journals indexed in PubMed, reflecting his continuous engagement with scientific documentation and the advancement of surgery.

His philosophy is based on the proper and personalized evaluation of each case, evidence-based decision-making, and the avoidance of unnecessary surgeries when not required. Special emphasis is placed on clear, honest, and understandable communication with the patient, to ensure active participation in the therapeutic process and to foster a sense of safety and trust.

Panagiotakis Emmanouil MD, PhD is a General Surgeon with a private practice in Marousi. He holds a degree from the Medical School of Aristotle University of Thessaloniki and a doctoral degree from the Department of General, Oncological Surgery and Visceral Surgery at the University of Hannover. He specialized at a major Oncology Center in Bremen, Germany (Klinikum Bremen Mitte - Academic Hospital of the University of Gottingen), and has also obtained subspecialty certification in proctology following examinations in Germany. He has worked as an Attending Physician at Klinikum Bremen Mitte, Gesundheit Nord in Germany, and currently serves as an Attending Physician at Iaso General Clinic. He has extensive experience (2011 to 2023) in the management of oncological patients, patients with chronic inflammatory bowel diseases (Crohn’s disease, ulcerative colitis), patients with proctological conditions, as well as patients with benign conditions (e.g., hernias, gallbladder). Finally, the physician is a member of the European Society of Coloproctology.

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 performed over 3,500 surgeries.

He maintains private practices in Marousi and Peristeri.

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 his Doctor of Medicine degree and subsequently obtained numerous university diplomas in France, including specializations in gastrointestinal 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, utilizing minimally invasive techniques. Currently, he provides his services at the Athens Medical Center in Marousi and Peristeri.

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

He is fluent in French and English.

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).

Mitsogianni Maria is an Internal Medicine - Oncology Specialist based at YGEIA-MITERA Hospitals in Marousi. She graduated from the Medical School of the National and Kapodistrian University of Athens and completed the postgraduate program "Thoracic Oncology" as well as her doctoral thesis at the same university.

She has worked for 7 years in Germany at Klinikum Oldenburg, Johanniter Krankenhaus Rheinhausen, and Marienhospital Düsseldorf, specializing in the fields of Medical Oncology and Palliative Care. In Greece, she has worked at the Oncology Hospital of Kifisia "Agioi Anargyroi" and served as a collaborator at the Oncology Unit of the "Sotiria" Hospital.

She holds the ESMO Examination Certificate from the European Society for Medical Oncology.

She has attended numerous conferences and educational seminars both in Greece and internationally, has a significant number of international publications, and participates as a lecturer in postgraduate programs at the University of Athens.

Since 2022, she has been a collaborator and Head of Clinical Studies at the 4th Medical Oncology Clinic of DTKA YGEIA and is the attending physician at MITERA Hospital.

Ziozia Vasiliki is a General Surgeon, Senior Registrar of the 1st Surgical Clinic at IASO and maintains a private practice in Nea Irakleio. She holds a degree from the Medical School of the National and Kapodistrian University of Athens and a Master's degree in "Surgical Anatomy" from the Medical School of the National and Kapodistrian University of Athens. Dr. Ziozia has received a scholarship from the Hellenic Surgical Society to obtain her postgraduate degree, as well as a scholarship from the Hellenic Society of Coloproctology for specialization in colorectal and anal surgery at St Thomas’ Hospital in London. She initially specialized in Surgery at the General Hospital of Rethymno and subsequently at the General Hospital of Athens "Evangelismos." During 2022-23, she served as a Senior Clinical Fellow in the Colorectal Department at St Thomas’ Hospital in London. Dr. Ziozia has participated in numerous conferences, seminars, and courses and has authored many publications, as well as oral and poster presentations. Finally, she is a member of the Hellenic Society of Coloproctology.

Dr. Napoleon Xirokostas is a board-certified General Surgeon with subspecialty training in Laparoscopic, Robotic, and Oncologic Surgery. He maintains a private medical office in Rafina, Greece, and also serves as a Consultant Surgeon at the 1st Surgical Department of IASO General Hospital in Athens.

He completed his residency in General Surgery at Evangelismos General Hospital of Athens, the largest tertiary care and trauma center in Greece, where he also held the position of Chief Resident. Over the course of his training, he participated in more than 1,000 surgical procedures, including a wide spectrum of emergency, oncologic, and minimally invasive surgeries.

Dr. Xirokostas holds a Medical Degree (MD) from the Democritus University of Thrace and a Master of Science (MSc) in Advanced Laparoscopic and Bariatric Surgery from the National and Kapodistrian University of Athens.

He completed his mandatory rural medical service at the General Hospital of Kyparissia and previously served in the Greek Army as a General Medicine Doctor, providing medical assessments and basic life support instruction.

He has received extensive training in trauma surgery (DSTC), laparoscopic and robotic techniques, microsurgery, and emergency abdominal procedures. He is certified in ATLS, ALS, and has participated in numerous specialized surgical workshops and cadaveric dissection courses across Europe.

Dr. Xirokostas has an active academic presence, with several peer-reviewed publications and presentations at national and international surgical congresses.

He treats conditions including:

• Laparoscopic surgeries (cholecystectomy, hernias, appendectomy)

• Thyroid and parathyroid surgery

• Oncologic surgery (colorectal, gastric, skin/melanoma, soft tissue)

• Robotic surgery for complex abdominal cases

• Emergency trauma surgery and general surgical consults

His clinical approach is grounded in personalized care, evidence-based practice, and a strong commitment to patient safety and recovery.

Xouliaras Xristos MD, MSc is a General Surgeon who maintains a private practice in Marousi. He is a graduate of the Medical School of the University of Patras. He specialized at the 1st Surgical Clinic of the General Hospital of Nikaia and obtained his specialty title in General Surgery. He acquired specialized experience in Surgical Oncology at the "Metaxa" Anti-Cancer Hospital of Piraeus. He holds a Master's degree in Colon and Rectal Surgery from the Medical School of Larissa and has completed numerous postgraduate courses and seminars. He received clinical training in Colorectal Surgery (Clinical Visiting Fellowship in Colorectal Surgery) at St Mark's Academic Institute in London and clinical training in Surgery (Clinical Traineeship) at Pavol Jozef Šafárik University, as well as in Surgical Oncology (Trainee Fellowship in Surgical Oncology) at the National Oncology Institute in Bratislava. Additionally, he trained in Robotic Surgery and Robotic Colorectal Surgery at IRCAD (Strasbourg, France). He specializes in Laparoscopic Colorectal Surgery, Proctology, and Emergency Abdominal Surgery. He applies modern laser treatment methods for anorectal conditions (hemorrhoids, perianal fistula, pilonidal cyst, anal fissure). The physician manages a wide range of cases, always focusing on providing the best possible care tailored to each patient’s needs.

Kelgiorgi Dionysia MD, MSc is a General Surgeon with a private practice in Chalandri. She holds a Master's Degree in "NEW TECHNOLOGIES IN DIGESTIVE SURGERY – MINIMALLY INVASIVE TECHNIQUES – BARIATRIC SURGERY" from the National and Kapodistrian University of Athens (NKUA). She is currently an instructor in this postgraduate program at the University of Athens. She has received certification in laparoscopic surgery from the internationally renowned IRCAD center of excellence in Minimally Invasive Surgery, Strasbourg. She is also certified in the use of surgical laser from a reference center for perianal diseases in Leipzig, Germany. She specializes in Minimally Invasive Surgery (Laparoscopic and Robotic Surgery, Surgical Laser), as well as surgical oncology. She has served as Consultant Surgeon in the Robotic Surgery and Surgical Oncology Clinic at Metropolitan General Hospital and held the same position for three years at the Euroclinic of Athens. Additionally, she was Consultant Surgeon at the accredited Center of Excellence for Thyroid and Parathyroid Surgery of the Euroclinic Athens. She is a member of Greek and European scientific societies, including the European and Hellenic Society of Endoscopic Surgery, the European and Hellenic Hernia Society, the European Society of Coloproctology, and the Hellenic Surgical Society, participating in their advanced training courses. She has numerous participations in conferences, seminars, and symposia in Greece and abroad and serves as a reviewer for the medical journals Cancer Medicine and Hepatobiliary & Pancreatic Diseases International.