患者男性,60岁.1991年因痔结扎术查体发现右下腹拳头大肿物,无任何症状,未予治疗.此后肿物生长快,渐感腹胀,食欲不佳,体重下降.一月后来我院治疗.查体:腹部膨隆,全腹软无压病,肝脾未及.右下腹可触及一肿物12cm×15cm×15cm,质中无压病,不活动,其余未见异常. The patient was male, 60 years old. In 1991, he had found a large fist mass on the right lower abdomen because of a fistula ligation. He had no symptoms and was not treated. Since then, the tumor has grown rapidly, he has gradually felt abdominal distension, poor appetite, and lost weight. Our hospital treatment. Physical examination: abdominal bulging, full abdominal soft non-pressure disease, liver and spleen is not. Right lower abdomen can be touched a tumor 12cm × 15cm × 15cm, no pressure in the quality of disease, inactivity, the rest did not see abnormal.