患者，男，56岁。于1995年5月15日人院。人院前8个月无明显诱因出现反复右上腹问痛，可向右侧腰背部放射；人院前5个月出现剑突下不适感，饭后嗳气；人院前15天出现黑便，食欲明显减退．既往史无特殊。人院检查：消瘦外观，无黄疽、蜘蛛痣，浅表淋巴结未触及肿大。心肺无异常发 Patient, male, 56 years old. On May 15, 1995 in the House of People. 8 months before the hospital, there was no obvious cause of repeated pain in the right upper quadrant, which could be radiated to the right side of the lower abdomen; the discomfort under the xiphoid process occurred 5 months before the hospital; the urine disappeared 15 days before the hospital. Loss of appetite. No special past history. People’s home examination: appearance of weight loss, no jaundice, spider mite, superficial lymph nodes are not touched and swollen. No abnormal heart and lung