Best Sigmoid adenocarcinoma Sigmoid adenocarcinoma: TOP 93 doctors

Professor Bülent Karagöz specializes in tumor biology and immunotherapy – key areas for advanced sigmoid adenocarcinoma treatment at Anadolu Medical Center.

• 33 years of experience in medical oncology with focus on targeted therapies
• Head of Medical Oncology at GATA Haydarpaşa Training Hospital
• Published 40+ papers on cancer research
• Professor at Istanbul Okan University Faculty of Medicine
• Member of Turkish Medical Oncology Association

Dr. Eda Tanrikulu specializes in medical oncology for sigmoid adenocarcinoma at Anadolu Medical Center, with extensive training at top Turkish universities.

• Trained in medical oncology at Marmara University
• Ranked 3rd in Turkey's minor specialty exam in 2013
• Former head of medical oncology at Haydarpaşa Numune Training and Research Hospital
• Involved in international clinical studies in oncology

Specializes in gastrointestinal cancers with training at Hacettepe University Cancer Institute and MD Anderson Cancer Center.

• Experienced in treating various cancers including sigmoid adenocarcinoma
• Trained at one of Turkey's leading medical schools, Hacettepe University
• Fellowship at prestigious MD Anderson Cancer Center in the US
• Works at Hisar Hospital Intercontinental, a recognized healthcare provider

Prof. Kivanc Derya Peker specializes in complex gastrointestinal surgeries, with over 400 pancreatic and gastric cancer procedures performed at Hisar Hospital Intercontinental.

• Trained at Mayo Clinic in Hepatopancreatobiliary Surgery
• Founder of the Hepatopancreatobiliary Surgery unit at Bakirkoy Dr. Sadi Konuk Hospital
• Expert in liver cancer surgery and endoscopic treatments
• Holds a doctorate in aging and stem cell treatments

Dr. Banu Atalar is a board-certified radiation oncologist (Türkiye, 2004). She is a Full Professor at Acibadem MAA University (2018–present) and a clinician at Anadolu Medical Center (2026–present). She trained at Istanbul and Cerrahpaşa. In 2011, she completed a Stanford clinical research fellowship in stereotactic radiosurgery. Her practice focuses on CNS, thoracic, and GI tumors. About 75% of her care involves SRS and MR‑guided adaptive SRS.

Her honors include the ASCO IDEA award (2004), the IASLC International Mentorship Award (2018), and H.FACR (2025). She has 72 international peer‑reviewed publications. Her leadership roles include President of the Turkish Society for Radiation Oncology (2025–27) and Chair of the ESTRO National Societies Committee (2024–27). She served on the ASCO Resource‑Stratified Guidelines Committee (2013–18) and on RSS meeting and nomination committees. She organized national congresses (2023, 2025) and has been an invited speaker at major meetings.

Prof. Hüseyin Baloğlu is a pathology specialist at Anadolu Medical Center in Gebze, Kocaeli, Turkey. He focuses on molecular pathology, surgical pathology, and tumour biopsy and diagnostics.

Education and accreditations: MD, GATA Medical School (1986). Pathology specialty training, GATA (1992). Associate Professor (Doçent), GATA (2004). Visiting scholar at Albert Einstein College of Medicine (New York) and Heidelberg University.

Achievements: author of over 600 peer‑reviewed publications. Holds a patent in molecular diagnostics for thyroid cancer. Leads liquid biopsy and precision oncology services.

Board-certified surgical oncologist with a focus on complex abdominal cancers. Dr. Pastrana combines surgical expertise with academic teaching at Universidad Anahuac.

• Trained at Centro Medico Nacional 20 de Noviembre
• Board certified by Conacem until 2030
• Active member of the Mexican Oncology Society
• Specializes in minimally invasive techniques

Director of the gastrointestinal tumors institute at Sourasky Medical Center – Dr. Sharon Peled specializes in systemic treatment of digestive tract cancers.

• Trained in gastrointestinal cancers at Royal Marsden Cancer Centre in London
• Member of the Israeli Society of Oncology and Radiology
• Conducted clinical research on patient attitudes towards trials
• Performs advanced treatments like HIPEC and immunotherapy

Prof. Ofer Merimsky is a leading oncologist specializing in bone and soft tissue tumors at Sourasky Medical Center. His expertise spans decades, with leadership in global oncology societies.

• Head of the Department of Bone and Soft Tissue Tumors
• Chair of the Israeli Association of Clinical Oncologists
• Member of ASCO and ESMO, top global oncology organizations
• Fellowship-trained in Paris for advanced sarcoma treatment
• Teaches oncology at Jerusalem University

Dr. Arnon Nagler is an internationally recognized hematologist and bone marrow transplant expert. He is a Professor of Medicine at Tel Aviv University. He is Director Emeritus of Hematology & Bone Marrow Transplantation and the Cord Blood Bank at Sheba Medical Center. He earned his M.D. from the Hebrew University–Hadassah and an M.Sc. in hematopoiesis from Tel Aviv University. He completed postdoctoral training at Stanford. He is board certified in internal medicine and hematology.

He has more than 35 years of experience. He pioneered reduced‑intensity allogeneic transplant protocols for malignant and non‑malignant diseases. He founded Israel’s first public cord blood bank. He performed the country’s first cord blood transplants.

He has held international leadership roles. He served as Chair and Co‑Chair of the ALWP of the EBMT. He was a vice‑chair and long‑term member of EBMT committees. He served on the board of NetCord/EuroCord and as treasurer. He is a frequent invited speaker. He has published widely in journals such as Blood and Leukemia. He has led major clinical trials as a principal investigator and held editorial roles. He has received multiple awards for innovation and clinical excellence.

3,500+ robotic surgeries – Dr. Tvaruzek is one of the most experienced robotic surgeons in the Czech Republic, heading the Center of Robotic Surgery.

• Certified expert by Intuitive Surgical – creators of the da Vinci system
• Specializes in precise nerve-sparing techniques
• Member of Association of Bariatric Surgery and Aesthetic Medicine
• Performs complex transoral tumor removals with robotic assistance

Head of Teaching at Puerto Vallarta Regional Hospital with specialized training in minimally invasive procedures.

• Biomagnet certified by the Higher Institute of Biomagnetism
• Experience in clinical records management
• Assisted in dermatological procedures including laser treatments
• Training in professional development for medical educators

Prof. Sezer Sağlam specializes in gastrointestinal oncology with over 27 years of experience of experience, currently practicing at Gayrettepe Florence Nightingale Hospital.

• Professor in medical oncology since 2016
• Fellowship-trained at Istanbul University
• Member of ESMO, ASCO, and ENET
• Expert in gastrointestinal oncology cases

Dr. Yahya Ozel brings 31 years of experience of surgical expertise, with advanced training in Tokyo University's Hepato-Biliary-Pancreatic Surgery division.

• Specializes in minimally invasive and robotic surgery techniques
• Certified in surgical endoscopy with Turkish Surgical Proficiency
• Academic faculty member training future surgeons
• Works at Estexper Clinic with ERCP and surgical endoscopy experience

Professor Doctor Sefik Igdem specializes in radiation oncology, with a focus on head and neck cancers at Gayrettepe Florence Nightingale Hospital.

• Over 30 years of experience of experience in radiation oncology
• Expert in conformal treatments and advanced technologies like Truebeam Stx
• Professor at T.R Demiroğlu Bilim University
• Trained at Istanbul University's prestigious Cerrahpaşa Faculty of Medicine

Specializes in advanced cancer treatments at Liv Bona Dea Hospital Baku, with a research focus on predictive markers for treatment response.

• Trained at Istanbul University and Cleveland Clinic
• Expert in cytotoxic chemotherapy, hormone therapy, and immunotherapy
• Published multiple studies on cancer treatment outcomes
• Experience in both clinical practice and research

Abdullah Sakin leads the Medical Oncology Department at Medipol Bahçelievler Hospital, specializing in advanced treatment protocols.

• Head of Medical Oncology at Yüzüncü Yıl University Faculty of Medicine
• Trained at Istanbul Okmeydanı Training and Research Hospital in Medical Oncology
• Specialist in Internal Medicine with extensive clinical experience

Dr. Osama Abdel Mohimen Mohamed is Head of the Hematology Unit at Shefaa Al Orman Oncology Hospitals. He is also a consultant in medical oncology and hematology at Shefa El Orman Hospital (NGO), Luxor (2019–present).

He diagnoses and treats acute and chronic leukemia, lymphoma, myeloma, myelodysplastic syndromes, and myeloproliferative neoplasms. He also manages complications of solid tumors.

Background: He served at the National Cancer Institute, Cairo University, as a medical oncology resident, then demonstrator and assistant lecturer (2008–2022). Earlier, he was a house officer (2006–2007). He also held specialist roles at Al Salam International, Al Molalmen, and BAHEYA Oncology Center (NGO).

Memberships: ESMO (2008–present). American Society of Bone Marrow Transplantation (2009). ASH (2010).

Dr. Yuri Goldes is a general surgeon with more than 20 years of clinical experience. He specializes in upper gastrointestinal and oncologic surgery. He is Deputy Director of the Department of General Surgery and Transplantation at Sheba Medical Center in Tel Aviv. He also leads the Upper GI Surgery Unit. He was named to Forbes Israel’s Best Doctors in 2025. He is ranked among Israel’s Best Gastrointestinal Surgeons by Forbes. In 2019, he received the Israeli Ministry of Health “Best Doctor of the Year” award.

He is an expert in advanced minimally invasive and robotic surgery. He treats diaphragmatic hernia, achalasia, GERD, and gallbladder disease. He also performs oncologic surgery for pancreatic, gastric, and esophageal cancers. He uses laparoscopic and robotic techniques.

He pioneered some of Israel’s first robotic oncologic resections of the stomach and pancreas. He is among a small group worldwide who perform minimally invasive Whipple procedures (pancreaticoduodenectomy) using advanced laparoscopy. He applies methods that improve outcomes and speed recovery. He provides personalized care.