1　临床资料患者,男,62岁,广东海丰县人。因上腹部胀痛30年,双下肢浮肿1年于1999-05-17入院。缘于30年前出现上腹部胀痛不适,呈持续性,症状时轻时重,未予重视。此后上腹部缓慢增大,近1年来,双下肢轻度浮肿,入院前3ｄ来我院门诊行Ｂ超检查,发现中上腹部巨大液性肿物而收住普通外 1 Clinical data, male, 62 years old, Haifeng County, Guangdong Province. Due to pain in the upper abdomen for 30 years, edema of both lower limbs was admitted to the hospital on May 17, 1999. Due to the discomfort and discomfort of the upper abdomen 30 years ago, it was persistent and the symptoms were light and heavy and were not valued. Afterwards, the upper abdomen slowly increased. In the past 1 year, the lower extremities were slightly swollen. The B-ultrasound examination was performed in our hospital 3 days before admission, and a huge liquid mass in the middle and upper abdomen was found and received outside the ordinary.