患者，男，52岁。自1980年2月开始发现上腹壁有一约蚕豆大小肿块，以后渐增大，无不适。1982年在本院行肿块摘除，当时未作病检。时隔2年，上腹壁肿块复发，渐增大，无特殊不适。近一周来肿块增大明显，伴疼痛，不发热，于1993年1月来院就诊。腹穿未抽到液体，胸透两肺正常，未 Patient, male, 52 years old. Since February 1980, it has been found that the upper abdominal wall has a lump in size, and gradually increases in size and no discomfort. In 1982, the mass was removed at this hospital. There was no medical examination at that time. After a lapse of 2 years, the upper abdominal wall mass relapsed and gradually increased, with no special discomfort. In the past week, the mass increased significantly with pain and no fever. He came to the hospital in January 1993. No fluid was drawn through the abdominal cavity and the chest and lungs were normal.