目的探讨肺癌患者的小气道功能改变。
Objective To study the change of small airway function in patients with lung cancer.
提示肥胖症病人有通气功能不足及小气道功能异常。
This suggested that obesity might present ventilation deficiency and abnormal function of small airway.
结论吸烟影响肺通气功能，早期主要表现为小气道功能减退。
Conclusion Smoking could injure ventilatory function, and initial manifestations are hypofunction mainly in small airway.
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