Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is reported to be post right lower lobe resection and radiation therapy . Marked volume loss in the right lung is again demonstrated with rightward shift of mediastinal structures . Again noted within the right upper hemithorax is a large air and fluid collection , similar compared to the prior studies with continued right basilar collapse . Worsening patchy opacities are seen within the left base as well as the left mid lung field , concerning for worsening small airways infection or inflammation . No pneumothorax is identified .
    OUTPUT:
    
Worsening patchy ill - defined opacities within the left mid lung field and left lung base are concerning for worsening small airways infection or inflammation . Unchanged appearance of the right hemithorax and rightward shift of mediastinal structures .