男性，50岁，消瘦无力3个月，呕吐宿食，X线钡餐见胃小弯侧胃窦部有充盈缺损，应诊断为（ ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='12721' and id < 1025988 and id<>'1025988' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='12721' and id > 1025988 and id<>'1025988' order by id asc limit 5