患者　男 ,2 7岁。来自牧区。患者于 10天前无明显诱因出现上腹部不适 ,伴反酸、嗳气、恶心但无呕吐 ,发热、乏力、腹泻伴黑便。临床以胃溃疡收入院。查体 :左下腹部可触及约 14cm× 8cm大小的柱状包块 ,质硬 ,表面尚光滑 ,触之无波动感 ,无压痛及反跳痛 ,肠鸣音亢进 ,双肾区无 Male patient, 27 years old. From pastoral areas. Patients with no obvious incentive to appear on the upper abdominal discomfort 10 days ago, with acid reflux, belching, nausea but no vomiting, fever, fatigue, diarrhea with melena. Clinical gastric ulcer income hospital. Physical examination: left lower abdomen can reach the size of about 14cm × 8cm columnar mass, hard, smooth surface, touch no fluctuations, no tenderness and rebound tenderness, bowel sounds hyperthyroidism, kidney area without