Doctors with experience in Colon cancer

Menelaos Zoulamoglou MD, MSc is a General Surgeon maintaining a private practice in Vrilissia, specializing in modern minimally invasive and oncological surgery. He completed his medical studies at the National and Kapodistrian University of Athens and has undergone extensive postgraduate training through multiple advanced degrees, including surgical oncology and advanced laparoscopic, bariatric, and robotic surgery. Throughout his professional career, he has served at major hospitals in Athens, gaining extensive experience in general and oncological surgery, with years of training in both university and hospital settings, including specialization in surgery. His expertise encompasses a wide range of conditions, such as colorectal surgery, oncologic procedures of the digestive system, as well as liver, pancreas, and breast surgery. His objective is to provide high-quality medical services with an emphasis on patient safety, modern minimally invasive techniques, and individualized surgical care.

Dr. Ioannis Virlos is a General Surgeon who maintains a private practice in Glyfada. He graduated from the Medical School of Alexandroupolis, Democritus University of Thrace, obtaining his medical degree in 1990. In 2000, he earned a Master’s degree in Surgical Sciences (MSc in Surgical Sciences) as well as a Diploma from Imperial College London (Diploma Imperial College), United Kingdom. In 2009, he was awarded a Doctorate (Medical Doctorate) from the University of Manchester, UK.He has been a Fellow of the Royal College of Surgeons of Edinburgh (FRCSEd.) since 1998 and of the Intercollegiate Board in Surgery of the United Kingdom (FRCS (Gen Surg)) since 2008. Since 2011, he has been a Fellow of the European Board of Surgery in the field of Colorectal Surgery (FEBS (Coloproctology)).Dr Ioannis Virlos is a specialized colorectal and bariatric surgeon, also trained in minimally invasive surgery — both laparoscopic and robotic. He has received training not only in Greece but also in the United Kingdom, Australia, and Belgium.After completing his military service in 1992, he trained in General Surgery in hospitals in Athens and the United Kingdom between 1992 and 1999, obtaining his specialty title in General Surgery in 1999. From 2002 to 2012, he served as a surgical consultant in hospitals in the UK, Australia, Belgium, and Greece. Specifically, he worked at the following hospitals in the UK: North Middlesex, Arrowe Park, Derriford, Torbay, Exeter, Cheltenham, and North Bristol, as well as at Sir Charles Gairdner University Hospital in Perth, Australia, and Sotiria Hospital in Athens (as Senior Consultant).During the same period, he received advanced training in laparoscopic colorectal surgery and laparoscopic bariatric surgery at Singleton Hospital in Swansea, UK, and Heilighart Ziekenhuis in Roeselare, Belgium.From 2012 to 2021, he worked as a Consultant Surgeon at the following hospitals in the UK: Ealing Hospital, Homerton University Hospital, John Radcliffe & Churchill Hospitals in Oxford, Royal Hampshire County Hospital, Northampton General Hospital, and University Hospitals of Derby and Burton. He returned to Greece in 2021.Since 2023, Mr. Virlos has been the Director of Surgery at Metropolitan General Hospital in Athens. He also serves as the General Secretary of the Hellenic Society of Coloproctology. Finally, for the period 2025–2028, he will represent Greece at the European Society of Coloproctology.

Dr. Gkiouzelis Dimitris, MD, PhD, is a General Surgeon and Proctologist, holding a Doctorate from the Medical School of the University of Athens. In his clinic, every patient has the opportunity to be informed about conditions related to Digestive System Surgery, abdominal wall hernia surgery (inguinal hernia, ventral hernia, umbilical hernia), and a wide range of other surgical disorders. Dr. Dimitris Gkiouzelis is the Director of the Surgical Clinic at the Athens Medical Center Group, Psychiko Clinic. He has served as the Director of the Surgical Clinic at the Piraeus Bioclinic and as a Scientific Collaborator in the Surgical Department of the Athens Bioclinic. He specializes in Advanced Laparoscopic Surgery / Minimally Invasive Surgery and Surgical Oncology. Additionally, through continuous education, he is involved in cases concerning the Surgical Treatment of Breast Cancer. He has extensive surgical experience, having performed over 4000 procedures to date with complete success. Finally, Dr. Gkiouzelis is a member of the Athens Medical Association, the British Medical Association, and the Hellenic Surgical Society, and collaborates with all private insurances.

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. 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. 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.

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.