Mild patchy opacity in the left retrocardiac region, which may represent an area of mild atelectasis versus early airspace disease. The lungs are otherwise clear with no evidence of pulmonary edema, lobar consolidation, pleural effusions, or pneumothorax.
Simple pleural effusion (Absent) Atelectasis (Uncertain) Edema (Absent) Air space opacity–multifocal (Uncertain) Simple pneumothorax (Absent)