靠近门静脉左外下支可见一弱回声肿块，肿 块位于下面哪项分区（  ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27180' and id < 2251704 and id<>'2251704' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27180' and id > 2251704 and id<>'2251704' order by id asc limit 5