M.D., Chief Physician With over 30 years of extensive surgical clinical experience, specializes in minimally invasive surgery and comprehensive postoperative treatment for benign and malignant tumors of the gastrointestinal and colorectal regions, and is skilled in sphincter-preserving surgery for ultra-low rectal cancer. Proficient in ESD surgery for benign colorectal tumors and early-stage cancer, as well as complex endoscopic procedures such as stent placement and stricture dilation for gastrointestinal obstructive diseases. Research Achievements Published over 20 papers, including 8 SCI papers as first author or corresponding author. Research Direction Professional expertise lies in therapeutic colonoscopy; advocates the "painless insertion technique," enabling colonoscopy to be completed easily without anesthesia, with the volume and quality of colonoscopy procedures leading domestically.