Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval decrease in the cavitary lesion in the left upper lobe with interval decrease in the thickness of the wall and size now measuring approximately 2 .2 cm . No new acute consolidation , cavitary lesion , effusion or pneumothorax . The cardiomediastinal silhouette is unremarkable .
    OUTPUT:
    
Interval decrease in the size and thickness of the cavitary lesion in the left upper lobe .