关于二尖瓣钙化的叙述，错误的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31770' and id < 2539982 and id<>'2539982' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31770' and id > 2539982 and id<>'2539982' order by id asc limit 5