青年男性，近1周因便秘出现便血,为鲜 红色血，伴便时剧烈疼痛。最有可能的诊 断为

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32549' and id < 2586606 and id<>'2586606' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32549' and id > 2586606 and id<>'2586606' order by id asc limit 5