患者，女，38岁。左乳房无痛性肿物2个月余，査体：左乳外上象限有1.5cmxl.0cmxl.0cm肿块，表面不光滑，界限不清，活动度尚可。为明确性质，最确切的检査是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31363' and id < 2515250 and id<>'2515250' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31363' and id > 2515250 and id<>'2515250' order by id asc limit 5