1cm不均匀 低回声肿块，表面回声增强，呈“火山 口”状。该患者可能出现的超声表现有

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31775' and id < 2540453 and id<>'2540453' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31775' and id > 2540453 and id<>'2540453' order by id asc limit 5