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. 2021 Jan 13;8(1):e000826. doi: 10.1136/bmjresp-2020-000826

Figure 2.

Figure 2

Representative signs on radial endobronchial ultrasonography. (A) Normal lung, (B) dense sign: dark and homogeneous signals with irregularly distributed mottling and linear hyperechoic areas, and (C) blizzard sign: noticeable increase in the intensity and radius of the whitish acoustic shadow with subsegmental pulmonary artery (white arrow).

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