直肠癌部位较浅,诊断有症状的直肠癌一般不困难。但现在门诊漏诊、误诊极多。据国内几个大医院统计误诊率达48～71.3%,国外一组126例直肠癌入院前几乎全部误诊,住院患者多为晚期。为了争取早期发现,做到早期诊断和治疗,现将我院 Rectal cancer is relatively shallow, the diagnosis of symptomatic rectal cancer is generally not difficult. But now missed diagnosis, misdiagnosis. According to statistics, several domestic hospitals misdiagnosed rate of 48 to 71.3%, a group of 126 cases of rectal cancer almost all misdiagnosed before admission, hospitalized patients are mostly late. In order to win early detection, early diagnosis and treatment, now our hospital