Minimally invasive surgery for colorectal cancer and gastric cancer; Ultra low anal preservation surgery (ISR) for rectal cancer; Diagnosis and treatment of anal diseases (hemorrhoids, anal fistula, etc.); Electronic colonoscopy.

Ruan Canping, male, chief physician, professor, Doctor of Medicine, doctoral supervisor. Member of the Specialty Committee of Minimally Invasive and Endoscopy, Anorectal Physicians Branch of Chinese Medical Doctor Association, member of the Specialty Committee of Colorectal Cancer of Shanghai Anticancer Association, member of the Inflammatory enterology Group of the Military Colorectal Medicine Specialty Committee, member of the Breast Endocrine Surgery group of the Military Surgery Specialty Committee, editorial board member of the Chinese Journal of Breast Diseases, and professional editor of the Chinese Annals of Surgery. He has been engaged in front-line clinical work in general surgery for more than 20 years, and is good at the standardized diagnosis and treatment of colorectal cancer and gastric cancer, including minimally invasive surgery and postoperative comprehensive treatment of colorectal cancer and gastric cancer, ultra-low anal preservation surgery for rectal cancer (ISR surgery), diagnosis and treatment of hemorrhoids and anal fistula, and transanal resection of rectal cancer (TEM). He has been engaged in electronic colonoscopy and treatment for 20 years, and has completed more than 30,000 cases of examination and colonoscopy polyp removal. He has undertaken a number of national, Shanghai and PLA projects, and his main research directions are colorectal cancer risk gene and tumor marker screening and comprehensive treatment of colorectal cancer. He has won two second prize of the Military Medical Achievement Award, one third prize of the Science and Technology Progress Award, one second prize of the Shanghai Science and Technology Progress Award, and one third prize of the military Teaching Achievement Award. He is the chief editor, deputy editor and co-editor of more than 10 books, and has published more than 40 papers in influential journals at home and abroad.