溃疡表现为疮口有空腔或伴漏管，疮面 肉色不鲜，脓水清稀，并夹有败絮状物， 经久难愈，为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31686' and id < 2536802 and id<>'2536802' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31686' and id > 2536802 and id<>'2536802' order by id asc limit 5