Substantial consolidation involving the entire left lower lobe, parts of the lingula, and the left upper lobe, with associated blunting of the left hemidiaphragmatic contour, presence of central air bronchograms, and blunting of the aortopulmonary window; differential includes pneumonia, atelectasis, or aspiration.
Atelectasis (Uncertain) Aspiration (Uncertain) Pneumonia (Uncertain)