患者男,78岁,因“中上腹闷胀不适3月余”入院。患者近3个月来出现无明显诱因中上腹闷胀不适,进食后腹胀可加重,稍伴隐痛,无放射痛,无明显反酸嗳气,无恶心呕吐,无皮肤发黄,无畏寒发热。近1个月来无明显诱因多次“低 Male patient, 78 years old, due to ”abdominal distention discomfort more than 3 months “ admission. Patients in the past 3 months there was no obvious incentive to abdominal distention and discomfort, abdominal distension can be aggravated after eating, with a little pain, no radiating pain, no acid reflux, no nausea and vomiting, no yellow skin, no chills and fever. Nearly one month to no obvious incentive many times ”low