Figure 1: The chest computed tomography of the patient. (A-D) The chest computed tomography of the 2-year-old boy. Chest CT showed bronchiectasis (red arrow) complicated with inflammation (black arrow) in both lungs. (E-P) The imagings of profound diagnosed with PAM at age 7. Lung windows showed “mosaic” feature (yellow arrow), bronchiectasis (red arrow), and interstitial changes (blue arrow). Mediastinal windows showed extensive calcifications (white arrow) in both lungs.