Colonoscopy Doctors Abroad — Page 5

Dr. Jair Bar is a thoracic oncologist and Deputy Director of the Cancer Center at Sheba Medical Center. He specializes in treating advanced non-small cell lung cancer using personalized immunotherapy and targeted treatments. Dr. Bar holds a PhD in Molecular Biology and leads a research lab focused on immunotherapy resistance.

• Chair of the Israel Lung Cancer Group.
• Board-certified in both Medical Oncology and Radiotherapy Oncology.
• Treats patients at Sheba Medical Center, a top-10 globally ranked hospital.
• Uses molecular and genetic profiling to create precise cancer treatment plans.

Dr. Kim Taegyun is a gastroenterologist. He focuses on pancreatobiliary diseases and cancers, including pancreatitis, pancreatic cysts and cancer, cholecystitis, gallstones (cholelithiasis), and biliary tract cancer. He also performs advanced endoscopy, including ERCP. He treats gastrointestinal tumors, stomach and colon polyps, stomach cancer, and submucosal tumors (SMT).

Education and training: MD, Jeonbuk National University College of Medicine. MS in Medicine, University of Ulsan. Internship, Jeonbuk National University Hospital. Residency in Internal Medicine, Veterans Health Service Medical Center. Fellowships in Gastroenterology, Inje University Haeundae Paik Hospital and Asan Medical Center.

Career: Attending physician and specialist at Gwangju Veterans Hospital and the Veterans Health Service Medical Center.

Dr. Pak Seongjin is a gastroenterologist. He focuses on endoscopy and advanced procedures such as gastroscopy, colonoscopy, polypectomy, and ESD. He also treats digestive and liver diseases, including cirrhosis, pancreatitis, hepatitis, and Helicobacter pylori infection.

He earned his M.D. and M.S. in Internal Medicine from Chung-Ang University. He completed his internal medicine residency and a gastroenterology fellowship at Chung-Ang University Hospital.

He is a clinical professor at Gachon University College of Medicine and Inha University College of Medicine. He is a full member of the Korean Association of Internal Medicine, the Korean Society of Gastrointestinal Endoscopy, the Korean Gastroenterology Association, and the Korean Pancreatobiliary Association.

Dr. Song Hwayeong is a gastroenterologist. Areas of focus include gastrointestinal cancers (stomach and esophageal) and advanced endoscopy (gastroscopy, colonoscopy, ESD, and polypectomy). Dr. Song also treats digestive and liver diseases, including GERD, gastritis, hepatitis, H. pylori infection, and liver disease.

Dr. Song completed a fellowship in Gastroenterology at Inje University Ilsan Paik Hospital. Dr. Song has served as Clinical Professor at Inje, Gachon, and Inha University Colleges of Medicine. Dr. Song is Director of the Gastroenterology Center at Naeun Hospital.

Accreditations: full member of the Korean Association of Internal Medicine, the Korean Society of Gastrointestinal Endoscopy, and the Korean Gastroenterology Association. Doping Committee Member, WKBL.

Selected papers: cryptogenic hepatocellular carcinoma; primary biliary cirrhosis with overlap syndromes; therapy for lamivudine-resistant chronic hepatitis B; and clevudine in HBV-related cirrhosis.

Dr. Yaacov Lawrence is the Chair of Radiation Oncology at Sheba Medical Center. He specializes in precision radiation therapy and neuro-oncology. Dr. Lawrence pioneered celiac plexus radiosurgery for pancreatic cancer pain management. He holds the FASTRO designation, one of the highest honors in his specialty.

• Leads the Gastrointestinal Cancer Program at Sheba Medical Center.
• Performs stereotactic radiosurgery for brain tumors and nervous system cancers.
• Authored over 280 scientific publications on personalized radiation protocols.
• Completed radiation oncology fellowship training at Thomas Jefferson University.

Dr. Raanan Berger is the Director of the Cancer Center at Sheba Medical Center. He was listed in Forbes Israel’s “Best Doctors” in 2025. Dr. Berger specializes in genitourinary oncology and radiates complex prostate tumors. He completed a postdoctoral fellowship at the Dana-Farber/Harvard Cancer Institute.

• Heads the clinical research unit focusing on molecular oncology.
• Co-authored over 20 peer-reviewed papers on prostate cancer and BRCA mutations.
• Member of the American Society of Clinical Oncology (ASCO).
• Performs systemic therapy and radiotherapy at a Top-10 globally ranked hospital.

Prof. Boursi developed predictive models for early colorectal cancer diagnosis. He handles gastrointestinal oncology and colonoscopy screenings at Sheba Medical Center.

• Trained in oncology at MD Anderson Cancer Center and Mayo Clinic
• Completed a gastrointestinal oncology fellowship at the University of Pennsylvania
• Founded the ECOG-ACRIN Microbiome Working Group to study cancer development
• Member of the Israeli Association of Clinical Oncology and Radiotherapy
• Published research in Science journal regarding cancer treatment response

Dr. José Miguel Esteban Lopez-jamar is a pioneer in ecoendoscopy in Spain. He currently heads the Digestive Endoscopy Unit at Hospital Ruber Internacional.

• Specializes in advanced digestive endoscopy for both diagnostic and interventional needs
• Expert in early cancer detection and Barrett’s esophagus screening during colonoscopy
• Former Head of Endoscopic Innovation at Hospital Clínico San Carlos in Madrid
• Completed international clinical training in Amsterdam, Marseille, and Shanghai
• Member of the European Society of Gastrointestinal Endoscopy (ESGE)

Professor Gerhard Prager leads the obesity clinic at Vienna General Hospital. He uses colonoscopy to evaluate digestive health in metabolic patients.

• Head of the Metabolic Surgery Center at Confraternitaet Private Hospital
• Specialist in gastroenterology and surgery for obesity and diabetes
• President of the European Chapter of the International Federation for the Surgery of Obesity
• Member of the American Society for Metabolic and Bariatric Surgery
• Expert in assesssing gastric ulcers and internal conditions

The doctor is a highly specialized surgeon with extensive expertise in oncological and metabolic procedures. The clinical focus encompasses a wide range of cancer surgeries, including complex interventions for pancreatic, bile duct, gastric, colon, and thyroid malignancies, as well as specialized breast surgery.

In addition to oncology, the doctor is proficient in bariatric and metabolic surgery, providing advanced surgical solutions for obesity and diabetes management. The practice is dedicated to delivering comprehensive surgical care, utilizing evidence-based techniques to address both malignant conditions and metabolic health disorders.

Dr. Arnulf Ferlitsch heads the internal medicine department. He is a multi-award-winning gastroenterologist who provides expert diagnostic colonoscopy services at Döbling Private Hospital.

• Six-time winner of the Best Abstract Award from United European Gastroenterology Week
• Nominated as a national Rising Star in Gastroenterology in 2012
• Specializes in treating complex inflammatory conditions like Crohn's disease and ulcerative colitis
• Completed clinical training at the University of Pennsylvania and UCLA
• Founded the hepatic hemodynamics laboratory at the Medical University of Vienna

Professor Schoppmann heads the Gastroesophageal Tumor Unit at Vienna General Hospital. He specializes in detecting and treating gastrointestinal polyps during a colonoscopy.

• Heads the Department for Surgical Functional Testing at the Medical University of Vienna
• Published 240+ scientific articles on digestive tract diseases and cancer research
• Serves as General Secretary of the Austrian Society of Surgical Oncology
• Section Editor for the medical journal European Surgery
• Expert in visceral surgery focusing on complex upper digestive system conditions

Dr. Park Sundo is a specialist in gastrointestinal and general surgery at Naeun Hospital. His expertise includes colorectal, proctology, breast, thyroid, laparoscopic, biliary, pancreatic, and pediatric surgery.

Key treatments include proctologic surgery, such as hemorrhoidectomy and care for hemorrhoids and anal fistula. He performs laparoscopic surgery for gallstones (cholelithiasis) and appendicitis. His oncology care covers gastric and colorectal cancer. He also performs hernia repair. Breast and thyroid care includes treatment of tumors and Mammotome biopsy. He treats varicose veins and severe burns. Pediatric surgery includes hernia repair and general pediatric procedures.

Dr. Tülin Kendir Koçak is a gastroenterology specialist at Emsey Hospital. She uses advanced screening techniques like colonoscopy to examine the large intestine and rectum.

• Performs chromoendoscopy – uses specialized dyes to better visualize and find abnormal tissues
• Specializes in interventional treatments – including the removal of polyps and foreign bodies
• Internal medicine and gastroenterology specialist trained at major Turkish training and research hospitals
• Treats complex digestive conditions – including Crohn’s disease, cirrhosis, and gastrointestinal bleeding

Dr. Zulfu Sertkaya is an associate professor and andrologist at Andro Expertise in Istanbul. He holds the FEBU title from the European Association of Urology. Dr. Sertkaya focuses on male health, sexual function, and aesthetic urological procedures. He treats patients at his clinic and performs surgeries at affiliated hospitals.

• Earned Fellow of the European Board of Urology (FEBU) status.
• Specialize in andrology, male sexual health, and aesthetic urology.
• Performs penile implant surgery and varicocelectomy for infertility.
• Works at a clinic accredited by the Turkish Medical Association.

Dr. Brenda Pastrana is a surgical oncologist at the JCI-accredited Galenia Hospital in Cancún. She specializes in breast, thyroid, and digestive system cancers. Dr. Pastrana is board-certified by CONACEM. She holds a medical degree from the Universidad Autónoma de México.

• Performs mastectomies, liver resections, and complex colon cancer surgeries.
• Treats patients at a facility holding Accreditation Canada Diamond Status.
• Serves as a university teacher at Universidad Anáhuac.
• Member of the Mexican Society of Oncology (SMEO).

Dr. Yilmaz Bilgic is a gastroenterologist at the JCI-accredited Medipol Acibadem District Hospital in Istanbul. He specializes in the treatment of Crohn's disease, ulcerative colitis, and complex liver disorders. Dr. Bilgic completed specialized endoscopy training at Anam Hospital in South Korea. He also finished a training course on ERCP at the Olympus Training Center in Germany.

• Performs diagnostic and therapeutic endoscopy, colonoscopy, and stomach resection.
• Treats gastrointestinal conditions including Barrett's esophagus and chronic pancreatitis.
• Served as Assistant Chief Physician at Inonu University Turgut Ozal Medical Center.
• Maintains a Google Scholar H-index of 10 for his research in gastroenterology.

Dr. Cemalettin Aydin is a professor of general surgery at Medipol Acibadem District Hospital in Istanbul. He specializes in gastroenterology surgery and complex weight loss procedures. He completed a prestigious fellowship in gastroenterology surgery at the Türkiye High Specialization Hospital.

• Performs advanced bariatric surgeries including gastric bypass and sleeve gastrectomy.
• Treats complex gastrointestinal conditions such as pancreatitis, Crohn's disease, and cirrhosis.
• Expert in endoscopic sleeve gastroplasty (ESG) and laparoscopic anti-reflux surgery.
• Works at Medipol Acibadem, a JCI-accredited facility using the da Vinci robotic system.