[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
[One-Choice]What’s the diameter or width of large shadows?
A. <1.5mm
B. 1.5~3.0mm
C. 3.0~10mm
D. >10mm