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Chest X-ray of a 24-month-old male with perihilar opacity and peribronchial thickening (white arrow) (a). Thorax CT examination of a 23-month-old female showing bilateral pleural effusion (black arrows) (b). Chest X-ray and thorax CT of a four-year-old female with increased bilateral diffuse opacity, diffuse ground glass density, and consolidation (c, d).
