（A）男，61岁，胸片显示双肺网格结节影，血管标志物增加，全心增大。

(A) Chest radiograph of a 61-year-old man, showing bilateral fine reticulonodular air-space opacities, increased vascular markings, and cardiomegaly.

(B)男，83岁，胸片显示右肺实变，右侧基底节胸膜增厚，网格状结节影;右侧示陈旧性肋骨骨折。

(B) Chest radiograph of an 83-year-old man, showing right lung consolidation, right basal pleural thickening, and reticulonodular air-space opacities; rib fractures on the right are old.

(C)男，56岁，胸片显示双肺呈广泛的弥漫性和局灶性阴影，左肺下叶可见阴影。

(C) Chest radiograph of a 56-year-old man, showing extensive bilateral extensive diffuse and focal alveolar space opacities, with opacification of the left lower lobe.

(D)男，67岁,胸片显示双肺出现广泛病变，网格影，支气管壁增厚

(D) Chest radiograph of a 67-year-old man, showing extensive bilateral disease, with diffuse alveolar space densities, opacification, reticulonodular opacities, and bronchial wall thickening.

(E)男，49岁，胸片显示双肺中下叶区域出现广泛病变，伴弥漫性网状结节影。

(E) Chest radiograph of a 49-year-old man, showing extensive bilateral mid and lower zone disease, with diffuse reticulonodular alveolar space opacities.

(F)该患者胸部CT扫描显示双肺出现广泛阴影，磨玻璃网状结节影，支气管壁增厚。

A thoracic CT scan in the same patient (F) shows extensive bilateral opacities and ground-glass reticulonodular shadowing and bronchiolar wall thickening.

注：图片来自《柳叶刀》（lancet. Volume 13, No. 9, p752–761, September 2013)杂志。