TY - GEN AU - Gu,Jin AU - Wang,Lin TI - [Standardized examination and research advancement of circumferential resection margin in patients with middle-lower rectal cancer] SN - 1671-0274 PY - 2013///0509 KW - Humans KW - Perineum KW - pathology KW - Prognosis KW - Rectal Neoplasms KW - diagnosis KW - Rectum N1 - Publication Type: Editorial; English Abstract ER -