Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is improved aeration of the right lower lobe and medial segment of the right middle lobe compared to the prior study . Additionally , the right mediastinal border remains widened , due to previously demonstrated lymphadenopathy . There is also persistent right juxtahilar mass with a postobstructive process involving the right upper lobe and part of the right middle lobe , unchanged since the prior study . Persistent right pleural effusion . There is also a small left pleural effusion with associated left lower lobe atelectasis which is more prominent since the prior study . There is no evidence of pneumothorax . Bilateral destructive bony lesions are again seen , and are better characterized on recent CT of the torso .
    OUTPUT:
    
Right juxtahilar mass with postobstructive pneumonia / atelectasis . Improved aeration of the right lower lobe and medial segment of the right middle lobe . Interval worsening of left lower lobe atelectasis with small left pleural effusion .