25年来作者采用电凝术治疗直肠癌190例,对其中随访5年以上的114例报导如下: 患者全部为侵润性直肠腺癌。电凝术的指征是:肿瘤距肛缘7.5cm以内,最大范围占直肠周径的1/2,可活动,与周围组织不固定,位置不论前壁或后壁,性质不论突出型或溃疡型。凡属DukesⅠ期和Ⅱ期者均为适应范 In the past 25 years, the authors used electrocoagulation to treat 190 cases of rectal cancer. Among them, 114 cases were followed up for more than 5 years as follows: All patients were invasive rectal adenocarcinoma. The indication for electrocoagulation is that the tumor is within 7.5 cm from the anal verge and the largest range is 1/2 of the circumference of the rectum. It is mobile, and it is not fixed with the surrounding tissue. The position is independent of the anterior or posterior wall, regardless of the nature or type of ulceration. type. All those who belong to Dukes I and II are adaptable