胰腺癌的声图像特征，以下说法不正确的 是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31790' and id < 2541507 and id<>'2541507' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31790' and id > 2541507 and id<>'2541507' order by id asc limit 5