ARDS/VALI progression over the course of 1 week (a) Day 1 - No pathological findings. (b) Day 2 - some pulmonary consolidations in lower lobes. (c) Progressing to diffuse alveolar involvement, with “white lung” appearance (d). The normal-sized heart and vascular structures help in the differential diagnosis of pulmonary oedema due to heart failure. #Clinical #Radiology #CXR #ChestXRay #ARDS #Progression