Dr. SANG Yuer, Associate Chief Physician and Master of Medical Science, Department of Gastroenterology, Xinhua Hospital affiliated to Shanghai Jiao Tong University School of Medicine. She graduated from Shanghai Second Medical University in 1993 and joined Xinhua Hospital the same year. In 2006, she received her Master's degree in Internal Medicine from Shanghai Jiao Tong University School of Medicine.

Dr. SANG has been working in gastroenterology since 1994. She specializes in the diagnosis and treatment of various digestive diseases, such as reflux esophagitis, peptic ulcers, liver cirrhosis, and inflammatory bowel disease (ulcerative colitis and Crohn's disease). Her primary research focuses on functional gastrointestinal disorders (e.g., irritable bowel syndrome and functional dyspepsia). She is proficient in performing gastrointestinal endoscopy and endoscopic treatment of gastrointestinal polyps.