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The EBUS images of a normal lung. (A) A chest CT image of normal lung tissue; (B) a diffuse fine granular pattern on EBUS, with a hyperechoic area in the center and gradually decreased density in the peripheral area; (C) angiography findings on ultrasound showing density, a clear boundary, and hypoechoic vessels (arrow). EBUS, endobronchial ultrasound.
