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.

Gkavra Ntorin is a General Surgeon practicing privately in Varkiza and Glyfada. He holds a Medical Degree from the University of Timisoara in Romania. He completed his General Surgery Specialty at the 2nd Surgical Clinic of Tzaneio Hospital. The physician has served as a Scientific Collaborator in the Surgical Departments of Palaiou Faliro Medical Center, Mediterraneo Hospital, as well as Metropolitan Hospital. Utilizing his extensive experience and scientific expertise, he handles a wide range of cases primarily involving: Thyroid and Parathyroid Surgery, Breast Surgery, Laparoscopic Surgery, Colorectal Surgery, Treatment of Hemorrhoids, Fistula Management, Pilonidal Cyst Excision, and Condyloma Therapy.

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.

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.

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.

Margonis Euaggelos is a General Surgeon and maintains a private practice in Ioannina. He studied at the Medical School of the National and Kapodistrian University of Athens and subsequently specialized at the University General Hospital of Larissa. He has specialized in Minimally Invasive treatment of abdominal wall hernias in Germany. Additionally, he holds a Master's degree in "Minor Pelvic and Perineal Surgery" from the Medical School of the University of Thessaly. He has served as an Assistant Consultant Surgeon B' at the Surgical Clinic of the General Hospital of Ioannina "G. Hatzikosta" and has worked as a Surgeon in Germany. He is a member of the Hellenic Surgical Society, the European Association for Endoscopic Surgery (EAES), the Medical Association of Ioannina, and the Medical Association of Larissa. Finally, he is specialized in Laparoscopic surgery, Minimally invasive Abdominal wall Hernia Surgery, and Coloproctological surgery.

Dr. Rathosis Spyros is a General Surgeon with a private practice in Patras. He graduated from the Medical School of the National and Kapodistrian University of Athens and holds a PhD from the University of Patras, with a dissertation titled: "Control of splenic activity and immunological effects post-splenectomy." He specialized in General Surgery at the University Surgical Clinic of the General Hospital of Patras and further specialized in Laparoscopic Surgery at the University Surgical Clinic of the General Hospital of Athens, Hippocrates. He has served in all levels of the National Health System (ESY) and for the past years has held the position of ESY Director in the surgical clinic of the General Hospital of Patras. He has participated in numerous medical conferences in Greece and abroad and has published scientific papers in both Greek and international journals. He has been involved in the full spectrum of General Surgery operations, including major surgeries both emergency and elective. Throughout his extensive career, he has focused on laparoscopic surgery primarily of the biliary tract, hernias, diseases of the minor pelvis (gynecological conditions), and surgery of the upper and lower gastrointestinal tract (stomach, small and large intestine, anus).