怀疑患者为壶腹癌时，下列检查中对明确诊断最有针对性的是（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28453' and id < 2324294 and id<>'2324294' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28453' and id > 2324294 and id<>'2324294' order by id asc limit 5