患者,男,50岁,农民,住院号252557。2年来反复发作剑突下和上腹部疼痛,饱胀不适,恶心、嗳气,食欲减退。上述症状发作无一定规律,药物治疗效果不好。近1年来逐渐消瘦,曾有柏油状粪便。胃肠钡餐检查见胃底、贲门部有软组织块形,胃体粘膜粗乱,食道下段粘膜也紊乱;经腹腔穿刺注入 Patient, male, 50 years old, farmer, hospital number 252557. 2 years of repeated episodes of xiphoid and epigastric pain, fullness, discomfort, nausea, belching, loss of appetite. The onset of the above symptoms does not have a certain rule, and the effect of drug treatment is not good. In the past 1 year, she has gradually lost weight and once had tarry excrement. Gastrointestinal barium meal examination showed that the fundus and cardia were soft tissue masses, coarse gastric mucosa was disordered, and the lower esophagus mucosa was also disordered; transperitoneal injection