直肠腺癌、肺鳞癌并存临床上少见,今遇1例,报道如下。患者男,60岁。于1990年11月28日以“便血二十日”为主诉就诊。肛诊:肿块距肛门5cm,活动度尚可,指尖通过顺利。直肠镜:直肠息肉癌待排除。细胞学诊断:(直肠)乳头状腺癌。X 线胸透:两肺心膈未见病变。于1990年12月14日在硬膜外麻醉下行直肠 Rectal adenocarcinoma, lung squamous cell carcinoma coexist clinically rare, this case of 1 case, the report is as follows. Male patient, 60 years old. On November 28, 1990, he was referred to the “20-day blood in the stool” as the chief complaint. Anal diagnosis: The lumps are 5cm away from the anus and the activity is acceptable. The fingertips pass smoothly. Proctoscopy: rectal polyp cancer to be excluded. Cytological diagnosis: (rectal) papillary adenocarcinoma. X-ray chest: no evidence of lesions in the two lungs. On December 14, 1990, under the epidural anesthesia rectum