直肠癌是我国常见的恶性肿瘤之一,近年来已有报导对晚期病例或复发病例,采用放射治疗或冷冻治疗等方法,均取得一定疗效。我院自七五年后曾对6例晚期或复发的直肠癌和直肠肛管癌采用冷冻或加放射治疗。现作扼要介绍如下: 冷冻方法:病人取截石位。因晚期病人多有骶部疼痛,宜给止痛药物而可获顺利治疗。先用直肠镜或拉钩暴露视野,肠腔粘膜 Rectal cancer is one of the most common malignant tumors in China. In recent years, it has been reported that for late cases or recurrent cases, radiotherapy or cryotherapy is used to achieve certain therapeutic effects. Seventy-five cases of late or recurrent rectal cancer and rectal anal canal cancer have been treated with frozen or radiotherapy in our hospital since 75 years ago. The current summary is as follows: Freezing method: The patient takes a lithotripsy position. Because there are more pain in the ankle in advanced patients, it is advisable to give analgesic drugs and get a smooth treatment. First use a proctoscope or pull hook to expose the visual field, intestinal mucosa