Doctor Profile . Summary Associate Chief Physician, Associate Professor. Graduated from the Department of Medicine, Shanghai Second Medical University in 1990 with a Bachelor's degree. Previously pursued advanced studies in the Department of Surgery at the Affiliated Hospital of Massachusetts State University School of Medicine, USA. Engaged in general surgery and anorectal surgery for nearly 20 years. Specializes in surgery, chemotherapy, and comprehensive treatment of colorectal tumors, and the diagnosis and treatment of perianal diseases, including physical and surgical treatment of complex anal fistulas and hemorrhoids. Particularly experienced in the application of radiofrequency treatment for internal hemorrhoids and PPH surgery. Achieved significant efficacy with PPH surgery in the treatment of rectal mucosal prolapse and severe hemorrhoids, and has carried out painless treatment for anal diseases. Has conducted extensive research on the treatment of inflammatory bowel cancer. Education Graduated from the Department of Medicine, Shanghai Second Medical University in 1990 with a Bachelor of Medicine degree. Work Experience Assigned to the Department of General Surgery, Ruijin Hospital in 1990, engaged in the general surgery specialty for nearly 20 years. Pursued advanced studies in the Department of Surgery at the Affiliated Hospital of Massachusetts State University School of Medicine in 2001. Research Achievements Participated in the key research project of the Shanghai Medical Development Fund -- "Optimized Comprehensive Treatment of Colorectal Cancer." Has published five papers. Research direction: surgical and adjuvant treatment of colorectal cancer.