患者女,22岁,自感左上腹不适,饭后饱胀4年,两年前发现上腹部有一明显的无痛性肿块,逐渐增大。于1987年4月3日入院,检查:一般情况好,左上腹明显隆起,可触及拳头大肿块,上界在肋缘下,活动度小,表面光滑,叩诊实音,有深压痛,肝脾不大,腹水征阴性,肠鸣音正常。实验室 The patient female, 22 years old, had a feeling of discomfort in the left upper quadrant and had a full four-year postprandial illness. Two years ago, she found a painless mass in the upper abdomen and gradually increased. On April 3, 1987, he was admitted to the hospital and checked: In general, the left upper abdomen was obviously raised, large fist masses could be touched, the upper border was under the costal margin, the activity was small, the surface was smooth, the palpation was real, there was deep tenderness, and the liver and spleen Not large, negative ascites, normal bowel sounds. laboratory