原发性结肠双癌１例段连胜刘蕴衡解放军３２２医院山西省大同市０３７００６主题词结直肠肿瘤便血分类号Ｒ７３５．３４１病例报告男，４８岁。因腹痛、便血１年，于１９９０年１１月行结肠镜检查发现脾曲和横结肠近肝曲处粘膜不规则隆起，肠腔狭窄，组织变硬，接触出... A case of primary colonic double cancer A case of Lian Dian Liansheng Liu Yunheng 322 Hospital of PLA, Datong 037006, Shanxi Province Subject words Colorectal neoplasms Blood in the stool Category R735.341 Case report Male, 48 years old. Due to abdominal pain, hematochezia for 1 year, colonoscopy in November 1990 found abnormal irregular uplift of the mucosa of the spleen and transverse colon near the hepatic curvature, intestinal stenosis, tissue hardening, contact with...