2cm稍强回声 结节，形态规则，边界清楚，彩色多普勒 显示其内未见明显血流信号，后方回声无 明显改变，最可能的诊断是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31773' and id < 2540281 and id<>'2540281' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31773' and id > 2540281 and id<>'2540281' order by id asc limit 5