蒙某，女性，55岁，医生。因便秘15年，加重伴左下腹痛1年于1987年2月入院。患者于1972年始便秘，服泻剂后才能解便，故10余年来常服黄连上清丸。因上述症状加重，为除外肠道肿瘤入院检查。查体：发育正常，营养中等，皮肤、粘膜无色素沉着。心肺正常。腹部无压痛，未触及肿块，大便常规及培养均阴性。CEA正常。钡灌肠无异常 Mengmou, female, 55 years old, doctor. Due to constipation for 15 years, he was admitted to hospital in February 1987 with aggravated abdominal pain for 1 year. The patient started constipation in 1972 and was relieved after taking laxatives. Therefore, Huanglian Shangqing Pills were often used for more than 10 years. Due to the above symptoms, hospital admissions for intestinal tumors were excluded. Physical examination: normal development, moderate nutrition, skin and mucous membrane without pigmentation. Normal heart and lung. There was no tenderness in the abdomen, no masses were touched, and stool routines and cultures were negative. The CEA is normal. Barium enema without exception