Interval widening of the mediastinal contours since the last study, raising concern for mediastinal bleeding. A small left pleural effusion is likely present. There is a slight reduction in lung volumes with associated crowding of the pulmonary vasculature. No signs of pulmonary edema. No large pneumothorax is evident on the supine radiograph.
Loculated pleural effusion (Uncertain) Simple pneumothorax (Absent) Pulmonary congestion (Uncertain) Edema (Absent)