本文分析直肠癌根治术45例,其中青壮年患者所占比例高达67％,84％的患者病灶位于腹膜返折以下,很易被直肠指检所触及。因此,早期发现的可能性较大,但本组中仍有51％的患者得不到及时确诊。建议各级医师应随时想到早癌的可能性,对20岁以上患者有便血和排便习惯改变等症状时,必须常规作直肠指检和乙状结肠镜检,以早期发现直肠癌,提高疗效。 This article analyzes 45 cases of rectal cancer radical surgery, including the proportion of young and middle-aged patients as high as 67%, 84% of patients with lesions located below the peritoneal fold, it is easily touched by digital rectal examination. Therefore, early detection is more likely, but 51% of patients in this group are still not diagnosed in time. It is recommended that doctors at all levels should think about the possibility of early cancer at any time. When patients over the age of 20 have bloody stools and changes in bowel habits, they must routinely perform digital rectal exams and sigmoid colonoscopy in order to detect rectal cancer early and improve outcomes.