女性，30岁。因低热、乏 力、咳嗽、月经不调2个月就医。胸部X线见右 肺下叶背段团块状影伴透亮区。为判断本例结核病的活动性，下列最有 意义的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31999' and id < 2555781 and id<>'2555781' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31999' and id > 2555781 and id<>'2555781' order by id asc limit 5