Doctors with experience in Colon cancer in Attica

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.

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.

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.

Thomopoulou Konstantina MD, MSc, PhD is an Oncologist and holds a PhD from the Medical School of the University of Crete, with a specialization in Cancer Immunology. She maintains a private practice in Ampelokipoi. She studied at the Medical School of Democritus University of Thrace and holds a master's degree in Lung Cancer from the National and Kapodistrian University of Athens. She specialized in the United Kingdom, specifically in Medical Oncology at the Gynecologic and Breast Cancer Department of the Beatson Cancer Center, followed by training in Hematology/Oncology at Broomfield Hospital in Middle Essex. She completed her specialty in Medical Oncology at the University General Hospital of Heraklion, where she participated in both clinical and laboratory activities. Additionally, she obtained certification from the European Society for Medical Oncology (ESMO) after passing the pan-European examinations. Furthermore, in 2024, she received certification in Breast Cancer (Certificate of Competence in Breast Cancer) from the University of Ulm, Germany, in collaboration with the European School of Oncology. Finally, she possesses extensive clinical experience and, alongside her private practice, is affiliated with HYGEIA Hospital and MITERA Hospital.

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.

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.

Ioumpas Leon is a General Surgeon and maintains a private practice in Kolonos. He graduated from the Medical School of Cluj Napoca in Romania and obtained his specialty in general surgery at the General Hospital of Athens "Evangelismos," in the 3rd Surgical Clinic - Laparoscopic Unit. Currently, he is a Scientific Collaborator at Hygeia Hospital, the "Eugenideio" Therapeutic Center, the "Attiko Therapeutic Center," as well as the private hospital "Mitera." He manages cases across the full spectrum of general surgery, including the diagnosis, laparoscopy, and surgical treatment of the colon, stomach, and pancreas. Additionally, he performs thyroidectomies, appendectomies, hemorrhoidectomies, and cholecystectomies, as well as all types of hernia repairs and provides comprehensive information and evidence-based surgical management plans for patients with skin tumors, such as melanomas and lipomas. Finally, his private practice offers the possibility of performing minor procedures, bloodlessly and under local anesthesia, such as removal of skin tumors - cysts, skin nevi, biopsies, ingrown nails, and treatment of telangiectasias.

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.

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.