直肠指诊时，触到表面凹凸不平、质地坚硬的肿物，应首先考虑的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32051' and id < 2559319 and id<>'2559319' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32051' and id > 2559319 and id<>'2559319' order by id asc limit 5