初期以无痛性便血为主要症状的疾病是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28077' and id < 2301871 and id<>'2301871' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28077' and id > 2301871 and id<>'2301871' order by id asc limit 5