Cheon Won Seok

Dr. Cheon Won Seok is the Director of Gastroenterology at Naeun Hospital. He serves as a medical advisor for Korean broadcasters including KBS, MBC, and SBS. Dr. Cheon is a board-certified subspecialist in gastrointestinal endoscopy. He performs complex diagnostic and therapeutic procedures.

Clinical Specialization & Approach

Dr. Cheon treats early-stage digestive tract cancers through detection and treatment. He specializes in Endoscopic Submucosal Dissection (ESD). This technique allows him to remove tumors without invasive surgery. He also treats conditions affecting the stomach, liver, and intestines.

Conditions Treated

• Gastric and esophageal cancer
• Inflammatory bowel diseases, including Crohn’s disease and ulcerative colitis
• Helicobacter pylori infections and gastric ulcers
• Liver diseases, including cirrhosis and various forms of hepatitis
• Pancreatitis and cholelithiasis – a condition involving gallstones
• Gastrointestinal polyps and Barrett's esophagus

Diagnostic Techniques

• Upper gastrointestinal endoscopy and colonoscopy
• Small-bowel capsule endoscopy for areas difficult to reach
• Transnasal endoscopy and Fibroscan for liver health
• Polypectomy for the removal of potentially precancerous growths

Professional Background

The physician leads the Department of Gastroenterology at Naeun Hospital in Incheon. He previously worked as a Clinical Instructor at Chung-Ang University Hospital. Additionally, Dr. Cheon provides medical commentary for JTBC and MBN television networks.

Education & Training

• Kyung Hee University College of Medicine – Medical Degree
• Kyung Hee Medical Center – Internship
• Hallym University Sacred Heart Hospital – Residency in Internal Medicine
• Chung-Ang University Hospital – Clinical Fellowship in Gastroenterology

Professional Memberships

• Korean Society of Gastrointestinal Endoscopy – Life Member
• Korean Association of Internal Medicine – Full Member