女性，60岁。近3个月出现便意频繁，排便不尽感，偶有便中带血。直肠指检触及包块。该患者最可能的诊断是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32594' and id < 2591650 and id<>'2591650' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32594' and id > 2591650 and id<>'2591650' order by id asc limit 5