Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is moderate to severe subcutaneous emphysema in the lower neck and over the chest , overall worse on the right than the left . There is a surgical drain projecting over the right lung , similar to prior . Streaky bibasilar opacities appear similar to prior . There is no effusion or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
1 . Interval worsening of subcutaneous emphysema , overall worse on the right than the left . 2 . No pneumothorax . 3 . Surgical drain projects over the right lung , similar to prior , but definite position can not be determined without a lateral view .