No significant interval change in previously noted lines and tubes; no definite pneumothorax; presence of left subcutaneous chest wall emphysema; improved aeration at the lung bases bilaterally with significant residual bilateral opacities, differential includes edema, infection, and aspiration.
Aspiration (Uncertain) Simple pneumothorax (Absent) Pneumonia (Uncertain) Edema (Uncertain) Subcutaneous Emphysema (Present)