本文分析六年来所收治大肠癌30例,误诊率达46.6%。影响早期诊断的因素除患者不及时就诊外,便是医生警惕性不高,强调凡有类似痔、慢性痢疾、结肠炎等症状的患者,必须作直肠指检、乙状结肠镜检查或钡灌肠X线检查,以便做到早期诊断。对大肠癌应尽可能作根治术,以便提高疗效。 This article analyzed 30 cases of colorectal cancer treated in the past six years, and the misdiagnosis rate was 46.6%. The factors affecting the early diagnosis are not the doctor’s vigilance, except for those who have symptoms such as delirium, chronic dysentery, colitis, etc., they must perform rectal examination, sigmoidoscopy, or barium enema X-ray. Check for early diagnosis. Colorectal cancer should be treated as radically as possible in order to improve the efficacy.