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近年来，我们与临床科室合作进行纤维支气管镜检查的同时，选择部分病人，经支气管镜用７６％复方泛影葡胺进行选择性支气管造影检查，现将具体方法和资料齐全的４７例病例总结分析如下。材料与方法将胸部平片有阳性发现（如片状影、块影或空洞阴影）而支纤镜下无确切病变者、
In recent years, we collaborate with the clinical departments of fiberoptic bronchoscopy, while the selection of some patients, with bronchoscopy with 76% compound diatrizoate selective bronchography, the specific methods and data are complete 47 cases summary analyse as below. Materials and methods The positive findings of chest radiographs (such as film-like shadow, block shadow or empty shadow) and under the branch mirror without definite lesions,