Best Rectal cancer Doctors Worldwide — TOP 171

Dr. Bulent Karagoz is a medical oncologist at Anadolu Medical Center in Istanbul. He specializes in immunotherapy and targeted therapies for sarcoma, lymphoma, and lung cancer. Dr. Karagoz provides treatment at a facility affiliated with the prestigious Johns Hopkins Hospital.

• Authored over 40 research publications focusing on tumor biology and immunology.
• Former Head of Internal Diseases at Istanbul Okan University Faculty of Medicine.
• Held leadership roles in medical oncology at GATA Haydarpasa Training Hospital.
• Member of the Turkish Medical Oncology Association and European Head and Neck Society.

Dr. Eda Tanrikulu specializes in medical oncology and chemotherapy at Anadolu Medical Center, with a focus on rectal cancer.

• Completed medical oncology training at Marmara University
• Ranked 3rd in Turkey in minor specialty exam
• Led medical oncology unit at Haydarpaşa Numune Training and Research Hospital
• Involved in international clinical studies in medical oncology

Dr. Carlos Garcia Vasquez is a general surgeon at Centro PAD in Madrid. He holds a patent for a prosthetic implantation system for abdominal wall surgery. Dr. Garcia Vasquez serves as Associate Head of Surgery at Infanta Elena University Hospital. He earned his PhD in Surgery with summa cum laude honors.

• Certified in robotic surgery using the Da Vinci X, Xi, and 5 platforms.
• Specially trained in laparoscopic surgery at IRCAD in Strasbourg, France.
• Focuses on minimally invasive colorectal, proctologic, and abdominal wall procedures.
• Member of the Spanish Association of Surgeons and the Spanish Association of Coloproctology.

Dr. Vafi Atalay is a colorectal and general surgeon at Anadolu Medical Center. He developed the tube ileostomy technique to eliminate the need for ostomy-closure surgery. This method was published in the journal Colorectal Disease. Dr. Atalay specializes in pancreatic, colon, rectal, and liver cancers.

• Winner of the Gold Medal Award at the Istanbul International Invention Fair.
• Authored over 30 articles in national and international medical journals.
• Received the Best Scientific Research Award from several surgical congresses.
• Practices at a clinic affiliated with the top-ranked Johns Hopkins Hospital.

Dr. Koray Karabulut is a general surgeon at Memorial Göztepe Hospital in Istanbul. He specializes in liver transplantation and robotic HPB surgery. He completed a research fellowship in liver tumors at the Cleveland Clinic. He also trained in minimally invasive surgery at IRCAD in France.

• Served as the responsible specialist at Fırat University Liver Transplant Center.
• Completed specialized robotic HPB surgery training at Ageo Medical Center in Japan.
• Authored clinical guidelines for the Turkish Surgical Society.
• Published over 400 scientific papers in journals like Surgery and Surg Endosc.

Dr. Jaume Capdevila is a medical oncologist at Teknon Medical Center in Barcelona. He specializes in treating cancers of the digestive and endocrine systems. Dr. Capdevila is a co-founder of the Spanish Task Force Group for Orphan and Infrequent Tumors.

• Specializes in pancreatic, liver, and thyroid cancer treatments.
• Performs complex procedures including liver resections and pancreatic tumor enucleation.
• Holds membership in the European Society of Medical Oncology (ESMO).
• Sits on the European Organization for Research and Treatment of Cancer (EORTC).

Dr. Banu Atalar is a professor and radiation oncologist at Anadolu Medical Center. She is an Honorary Fellow of the American College of Radiology (H.FACR). She completed a clinical research fellowship in stereotactic radiosurgery at Stanford University. Stereotactic radiosurgery and MR-guided adaptive SRS make up 75% of her clinical practice.

• President of the Turkish Society for Radiation Oncology.
• Chair of the ESTRO National Societies Committee.
• Recipient of the ASCO International Development and Education Award.
• Author of over 70 international peer-reviewed publications.

Prof. Zielinski leads Austria's largest oncology department and founded the Comprehensive Cancer Center Vienna, specializing in personalized rectal cancer treatments.

• Over 44 years of experience in medical oncology and hematology
• Head of the Clinical Division of Oncology at Vienna General Hospital
• Pioneer in cancer immunotherapy and individualized therapies
• President of the Central European Cooperative Oncology Group

Over 12,000 laparoscopic surgeries performed – Dr. Ballesta Lopez pioneered minimally invasive techniques for rectal cancer at Centro Médico Teknon.

• 46 years of clinical experience in digestive surgery
• Director of the Laparoscopic Center with Da Vinci robotic assistance
• IFSO-accredited Center of Excellence for surgical precision
• International trainer in advanced laparoscopic techniques

Dr. Huseyin Baloglu is a pathologist at Anadolu Medical Center in Turkey. He leads liquid biopsy and precision oncology services. Dr. Baloglu holds a patent for molecular diagnostics in thyroid cancer treatment. He completed training at Albert Einstein College of Medicine and Heidelberg University.

• Authored over 600 peer-reviewed publications in molecular and surgical pathology.
• Specializes in tumor biopsy, immunohistochemistry, and genetic mutation testing.
• Treats complex oncological cases, including glioblastoma and rare sarcomas.
• Works at Anadolu Medical Center, a facility affiliated with Johns Hopkins Medicine.

Dr. Sharon Peles leads the digestive tract tumors institute at Sourasky Medical Center, specializing in systemic treatments for rectal cancer.

• Director of the Institute of Tumors of the Digestive System
• Trained in gastrointestinal oncology at Royal Marsden Hospital in London
• Focuses on integrative approaches and innovative therapies
• Member of Israeli Association of Oncology and Radiology
• Lecturer at Tel Aviv University and author of scientific publications

Professor Merimsky leads the bone and soft tissue tumor department at Sourasky Medical Center, specializing in tailored oncology treatments.

• Over 41 years of experience in oncology
• Fellowship-trained in Paris for bone and soft tissue tumors
• Active member of ASCO and ESMO
• Published numerous scientific papers on oncology
• Chairs the Israeli Society for Clinical Oncology

Professor Pfaffenbach performs over 9,000 endoscopic interventions annually as Head of the Center of Intestinal Oncology at Academic Hospital Solingen.

• 34 years of clinical and operative practice in gastroenterology
• Specializes in treating malignant tumours of internal organs
• Author of 130+ publications in gastroenterology
• Member of European Society of Gastroenterology and Endoscopy

Chief physician and professor. Grade 1 Expert at the Cancer Center, West China Hospital, Sichuan University (ranked No. 2 in China). Completed a postdoctoral fellowship in interventional radiology at the Chinese PLA General Hospital. Leads multidisciplinary team (MDT) care for complex tumors. Expert in minimally invasive interventional oncology for liver, lung, and pancreatic cancers.

Accreditations: Council Member, WATA. Member of CACA and CMDA committees on intervention, ablation, radioactive seeds, and pain. In 2023, inaugural director member, Palliative Care Committee, Sichuan MDA. Editorial board member of the Chinese Journal of Interventional Imaging and Therapy. Editorial board member of the Chinese Journal of Pain Medicine.

Leads 2 provincial S&T projects and 2 NSFC projects. Has 40+ papers, with 30+ as first or corresponding author. Highest impact factor: 10.73. Hepatocellular carcinoma (HCC) cohort: TACE + lenvatinib vs TACE + sorafenib. OS 18.97 vs 10.77 months. PFS 10.6 vs 5.4 months. ORR 66.8% vs 33.3%.

3,500+ robotic surgeries performed – Dr. Tvaruzek heads the Center of Robotic Surgery at St. Zdislava Hospital.

• Leading certified expert by Intuitive Surgical (Da Vinci robots)
• Specializes in function-preserving prostatectomies and transoral tumor removal
• Member of Association of Aesthetic Medicine and Bariatric Surgery

Dr. Stephanie Lilianne E. Bolle is a radiation oncologist and Head of Radiation Oncology at the Quirónsalud Proton Therapy Center in Madrid. She has led the department since July 2024. The center is Spain’s first proton therapy facility.

MD, University of Liège (1998). Board certified in radiation oncology (2003). She is an active member of the European Society of Paediatric Oncology and works with its Brain Tumor Group and Radiation Oncology Working Group.

She has published more than 120 scientific articles on pediatric brain tumors, proton therapy, pediatric radiation doses, and complex radiotherapy. She takes part in international projects and clinical trials, including BIOMEDE 2 and HARMONIC. Her expertise includes proton therapy, pediatric oncology, CNS and skull base tumors in adults and children, sarcomas, and complex radiotherapy planning.

Dr. Ayshe Okumush is a radiation oncologist at Private NeoLife Medical Center. She earned her MD from Karadeniz Technical University in 2003. She completed a residency in radiation oncology at Sisli Etfal Training and Research Hospital from 2006 to 2011.

She served as a specialist at Diyarbakir Uckuyular Training and Research Hospital from 2011 to 2013 and at Sisli Etfal from 2013 to 2016. She then worked at Yeni Yuzyil University Private Gaziosmanpasa Hospital from 2016 to 2026. She joined NeoLife in 2026.

Memberships: Turkish Society for Radiation Oncology (TROD) and the European Society for Radiotherapy and Oncology (ESTRO). Clinical focus: SRS, SRT, SBRT; VMAT, IMRT; radiotherapy for head and neck, lung, and brain tumors; SGRT, TBI, and 3D brachytherapy.

Specialized in gastrointestinal oncology for over 27 years – Prof. Sağlam heads the Medical Oncology Department at Gayrettepe Florence Nightingale Hospital.

• Professor of Medical Oncology since 2016
• Fellowship-trained at Istanbul University – one of Turkey's leading medical schools
• Member of ESMO, ASCO, and European Neuroendocrine Tumor Society
• Previously worked at Istanbul University Oncology Institute

Dr. He Weibing is a pioneer of argon-helium cryoablation in China with more than 20 years of frontline practice. He was a founding member of Fuda Cancer Hospital (Guangzhou). He co-founded its Minimally Invasive Tumor Treatment Center and served as Executive Deputy Director. He also helped found the Ablation Group of the China Anti-Cancer Association. He has been the primary operator in more than 10,000 procedures.

He specializes in tumor cryoablation and is proficient in 125I seed brachytherapy, with a focus on liver and lung cancers. He proposed ten argon-helium techniques. Key co-authored data include: lung cryotherapy n=508; NSCLC n=120 (CR 25.5%, PR 41.8%, 6/12/24-month survival 64%/55%/36%); pancreatic cancer n=38 (median survival 12 months). He served on editorial boards in 2008 and 2010. He has been a national trainer for Varian and Boston Scientific since 2001.

Professor Luo Xiaoping is a nationally recognized interventional radiologist and a leading authority in Western China. He began pioneering vascular interventions in the early 1990s. He helped found the Interventional Group at the Second Affiliated Hospital of Chongqing Medical University.

He has completed over 100,000 interventional procedures, including about 4,000 complex cases. His key skills include TACE for hepatocellular carcinoma, Budd–Chiari interventions, TIPS, and single-stage bilateral stenting for hilar biliary obstruction, with success rates near 100%. He has been a master’s supervisor since 2007. He has trained many physicians, guided complex cases at more than 40 major hospitals across Western China, and helped build interventional programs. He has published 32 papers as first or corresponding author (22 CSCD core, 4 Chinese core, 6 CSCD extended).

Dr. Mehmet Salih Iyikesici is a medical oncologist. His work focuses on metabolically supported chemotherapy (MSCT), ketogenic diet–supported cancer care, hyperthermia, hyperbaric oxygen therapy, and insulin potentiation therapy. He emphasizes care for breast, pancreatic, and gastric cancers.

He is a Medical Oncology Specialist at Neolife Medical Center (2026–present). He previously served at Private Bahçelievler Medical Park (2013–2026), Medicana Beylikdüzü (2010–2013), Silivri Anadolu (2009–2010), Diyarbakır Training and Research (2008–2009), and Bursa Çekirge State (2006–2008). Earlier, he worked as an Internal Medicine Specialist (1997–2003). He was an Assistant Professor at Altınbaş University (2014–2026).

Training: Medical Oncology subspecialty, Marmara University (2003–2006). Internal Medicine, Istanbul Haydarpaşa Numune (1992–1996). Medicine, Uludağ University (1985–1990). Member, Medical Oncology Association (since 2004). His recent research (2019–2020) covers gastric, breast, pancreatic, and lung cancers. Topics include long‑term survival in metastatic pancreatic cancer and feasibility in metastatic non‑small cell lung cancer (NSCLC).