对于乳腺超声表现为边缘光滑锐利、有包膜、后方回声增强的无回声肿块，最可能的诊断是什么：

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24988' and id < 2128107 and id<>'2128107' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24988' and id > 2128107 and id<>'2128107' order by id asc limit 5