患者男 ,６３岁。因中下腹包块２年 ,伴疼痛２周于２００１年３月２１日入院。２年前洗澡时发现中腹部一包块 ,似鸡蛋大小 ,可活动 ,时隐时现 ,无痛、质硬 ,无反酸、暖气 ;无恶心、呕吐 ;不伴腹胀、腹泻及腹痛 ,亦无便血便秘、腹泻交替病史 ,其后包块渐增大 ,３月前在某院行包? Male patient, 63 years old. Due to the middle and lower abdomen mass for 2 years, 2 weeks with pain was admitted on March 21, 2001. When I took a bath two years ago, I found a mass in the abdomen, which resembled the size of an egg. It can be exercised. When she is present, it is painless, hard, no acid reflux, and no heating; no nausea and vomiting; no abdominal distention, diarrhea, and abdominal pain. Did not have blood in the stool constipation, alternating history of diarrhea, then gradually increase the mass, 3 months ago in a hospital bag?