关于下肢深静脉血栓形成的临床表现，下列哪一项最有诊断价值

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32545' and id < 2586103 and id<>'2586103' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32545' and id > 2586103 and id<>'2586103' order by id asc limit 5