患者,男,76岁。既往体健,1989年起二年内出现三原发癌,均经切除后病理证实,报告如下。1980年初因大便潜血阳性,结肠镜检查示横结肠近肝曲处有一4.5×4cm 肿物。于2月11日行横结肠部分切除手术。病理报告为结肠绒毛状一管状腺瘤癌变。1990年7月痰中带血丝并找到鳞状上皮癌细胞,纤维支气管镜检示右肺上叶前段之前次段支气管内有菜花样肿物堵塞。于9月27日行右上肺叶切 Patient, male, 76 years old. Previously healthy, three primary cancers occurred within two years from 1989 and were confirmed by pathology after resection. The report is as follows. In the early 1980s, due to fecal occult blood positive, colonoscopy revealed a 4.5 x 4 cm mass in the proximal colon of the transverse colon. On 11th February, partial transverse colonectomy was performed. The pathology report was a malignant villous tubular adenoma. In July 1990, blood stained sputum was found in the sputum and squamous epithelial cancer cells were found. Fiberoptic bronchoscopy showed that there was a cauliflower mass blockage in the bronchus before the anterior segment of the right upper lobe. On September 27, the right upper lobe cut