The lungs demonstrate relatively low volumes with vascular crowding, suggesting residual perihilar edema. There is a slight worsening of the left basilar airspace process, which may indicate progressive lower lobe atelectasis or pneumonia. No large right-sided pleural effusion is identified. There is no evidence of a large pneumothorax on the supine film.
Simple pleural effusion (Absent) Atelectasis (Uncertain) Edema (Present) Simple pneumothorax (Absent) Pneumonia (Uncertain)