Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac size is normal . Widened mediastinum has resolved . Pulmonary edema has resolved . Small left effusion has markedly decreased . There is no pneumothorax . Ill - defined opacities in the left lower lobe could be atelectasis or pneumonia . Subcutaneous emphysema in the neck has resolved . Skin ___ are again noted in the right lower chest and left supraclavicular regions
    OUTPUT:
    
Left lower lobe opacities could be atelectasis and / or pneumonia . Small left effusion