0cm不均 质低回声结节，边界清，无包膜，无声晕， 呈类圆形。CDFI:未见明显血流信号。最可 能的诊断为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31772' and id < 2540270 and id<>'2540270' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31772' and id > 2540270 and id<>'2540270' order by id asc limit 5