text: 可有发热、咳嗽、气促、发绀、精神委靡，年长儿可有无色胶冻样痰咳出，肺部听诊呼吸音减弱，可闻及管状呼吸音和中小水泡音，胸部X线片有点状阴影，可似粟粒性肺结核改变，亦可有棉絮状阴影或大片实变灶。
entities.entity: 发热
entities.label: sym
entities.entity: 咳嗽
entities.label: sym
entities.entity: 气促
entities.label: sym
entities.entity: 发绀
entities.label: sym
entities.entity: 精神委靡
entities.label: sym
entities.entity: 痰
entities.label: bod
entities.entity: 无色胶冻样痰
entities.label: sym
entities.entity: 肺部听诊
entities.label: pro
entities.entity: 肺部听诊呼吸音减弱
entities.label: sym
entities.entity: 管状呼吸音和中小水泡音
entities.label: sym
entities.entity: 胸部X线
entities.label: pro
entities.entity: 点状阴影
entities.label: sym
entities.entity: 粟粒性肺结核改变
entities.label: sym
entities.entity: 棉絮状阴影
entities.label: sym
entities.entity: 大片实变灶
entities.label: sym