Patchy infiltrates shown on image was the main manifestation in the solitary lesion, while multiple dot-massive shadows with high or inconsistent density could be found in those with multiple lesions.

• 多发病变者表现为双肺多发的点片状密度增高影，密度不均，边缘不清，部分融合成片状，肺内病变分布无规律可循。