Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest show persistent obscuration of the left hemidiaphragm in this patient status post left lower lobectomy with an appearance very similar that from the study of ___ . Small amount of pleural fluid tracking laterally along the pleura has not increased . Subcutaneous emphysema has decreased with only a small amount of remaining in the left lateral chest and axillary region . Pleural base opacity seen just posterior to the thoracic spine on the lateral view appears to be some loculated fluid and smaller than seen on ___ .
    OUTPUT:
    
Interval decrease in subcutaneous emphysema with no other change in appearance at the left base compared to ___ .