影像诊断时，必须遵循影像诊断的基本原则，下列哪项不属于这一原则：

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24721' and id < 2117572 and id<>'2117572' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24721' and id > 2117572 and id<>'2117572' order by id asc limit 5