肛肠外科乃指从结肠至肛门这一范围内的外科疾病，应该说这是一个不小的领域，涉及的疾病不少，近年来的发展是巨大的。结直肠癌是一个最常见的恶性肿瘤，外科治疗的目标已从最初单纯追求手术彻底性转向根治和生活质量兼顾两大目标。通过对直肠癌病理解剖的研究，手术操作... Anorectal surgery refers to the surgical range from the colon to the anus. It should be said that this is not a small area involving many diseases. The development in recent years is enormous. Colorectal cancer is one of the most common malignant tumors. The goal of surgical treatment has shifted from simply pursuing radical surgery to radical cure and quality of life. Through the pathological anatomy of rectal cancer, surgery ...