[One-Choice]What’s the pathological basis of Small circular shadows?
A. Nodular fibrosis
B. Pulmonary interstitial fibrosis
C. Lump fibrosis
D. Pleura
[One-Choice]What’s the pathological basis of Irregular small shadows?
A. Nodular fibrosis
B. Pulmonary interstitial fibrosis
C. Lump fibrosis
D. Pleura
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