Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a large left upper lobe cavitary mass which is similar in size to the prior chest CT . There is associated destruction of the adjacent ribs , most marked in the lateral left second and third ribs . Since the prior exam , there is worsening opacification at the bilateral bases , more prominent on the right than the left . There is no pulmonary edema , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
1 . Increasing basilar opacities , slightly more worse on the right than the left . These are nonspecific , though could represent infection . 2 . Grossly unchanged large left upper lobe cavitary mass with destruction of the adjacent ribs . Results were discussed with Dr . ___ at 5 :30 p .m . on ___ via telephone by Dr . ___ at the time the findings were discovered .