患者 男、70岁。40年前曾因胃溃疡急性穿孔行胃大部切除术。本次因中上腹隐痛1个月,伴头晕、恶心就诊。查外周血红细胞1.91×10~(12)/L,血红蛋白58g/L,大便隐血试验(+++)。胃镜检查发现残胃小弯侧近吻合口有隆起型肿块直径约2cm,表面糜烂、质脆易出血。胃镜活检病理诊断:低分化腺癌。B Male patient, 70 years old. Forty years ago, he had had a gastrectomy due to acute perforation of gastric ulcer. This time due to pain in the upper abdomen for 1 month, with dizziness, nausea treatment. The red blood cells in the peripheral blood were counted as 1.91×10 12/L, hemoglobin 58 g/L, and fecal occult blood test (+++). Gastroscopic examination revealed that the anastomotic stump of the remnant stomach had an uplift-type mass with a diameter of about 2 cm, and the surface was erosive and brittle and easy to bleed. Endoscopic biopsy pathological diagnosis: poorly differentiated adenocarcinoma. B