5cm，呈中心强回声的“假肾样” 低回声团块，其近端胃腔扩大，内容物潴 留。首先考虑的诊断是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='31775' and id < 2540451 and id<>'2540451' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31775' and id > 2540451 and id<>'2540451' order by id asc limit 5