text: 胸腔内淋巴结明显肿大压迫症状和体征，压迫迷走神经可出现类似百日咳样咳嗽支气管哮喘压迫喉返神经声音嘶哑；压迫大支气管可出现双音性咳嗽或金属样痉挛性咳嗽，或有喘鸣等气道梗阻的表现；支气管受压严重局限性肺不张儿童原发肺结核的研究表明，各个肺叶受累的危险性是相同的。
entities.entity: 胸腔
entities.label: bod
entities.entity: 淋巴结
entities.label: bod
entities.entity: 胸腔内淋巴结明显肿大
entities.label: sym
entities.entity: 压迫
entities.label: sym
entities.entity: 压迫迷走神经
entities.label: bod
entities.entity: 百日咳
entities.label: dis
entities.entity: 百日咳样咳嗽
entities.label: sym
entities.entity: 支气管
entities.label: bod
entities.entity: 支气管哮喘
entities.label: sym
entities.entity: 喉返神经
entities.label: bod
entities.entity: 压迫喉返神经
entities.label: sym
entities.entity: 声音嘶哑
entities.label: sym
entities.entity: 大支气管
entities.label: bod
entities.entity: 双音性咳嗽
entities.label: sym
entities.entity: 金属样痉挛性咳嗽
entities.label: sym
entities.entity: 喘鸣
entities.label: sym
entities.entity: 气道梗阻
entities.label: dis
entities.entity: 支气管
entities.label: bod
entities.entity: 支气管受压严重
entities.label: sym
entities.entity: 肺
entities.label: bod
entities.entity: 局限性肺不张
entities.label: sym
entities.entity: 儿童原发肺结核
entities.label: dis
entities.entity: 肺叶
entities.label: bod