Specializes in the diagnosis and treatment of benign and malignant tumors of the colorectal and breast regions. Expertise includes incisionless laparoscopic radical resection for colorectal cancer (NOSES), various sphincter-preserving procedures for ultra-low rectal cancer, combined multi-organ resection for metastatic colorectal cancer, resection of massive pelvic tumors, transanal total mesorectal excision (TaTME) and total mesorectal excision (TME), surgical treatment of rare colorectal tumors (NET, GIST), breast-conserving surgery for breast cancer, cosmetic breast reconstruction, laparoscopically assisted breast surgery, and various surgical procedures for pelvic floor and perianal conditions.