患者女,已婚,农民,42岁,5月前发生便秘和腹泻,并解脓血样便,每日多达8—10次伴左下腹疼痛及里急后重感。在当地医院疑阿米巴痢疾,治疗无效。来院作乙状结肠镜检,诊断为“直肠癌”,患者近2年内曾作过3次人工流产。检查:T37℃,P80次/分,BP100/70mmHg,一般情况较好,心肺未发现异常,腹平软,肝脾不大,未扪及包块,阴道直肠双合诊触及直肠前壁约7×8cm肿块, Patient Female, Married, Farmer, 42 years old, with constipation and diarrhea before May and abscess blood sample, up to 8-10 times daily with left lower quadrant pain and tenesmus. In the local hospital suspected amoebic dysentery, treatment is invalid. To the hospital for sigmoidoscopy, diagnosed as “rectal cancer”, the patient had made three abortions within the past 2 years. Check: T37 ℃, P80 beats / min, BP100 / 70mmHg, generally good, no abnormal heart and lung, abdominal soft, small spleen and liver, palpable mass, vaginal rectum double touches the anterior rectum about 7 × 8cm mass,