Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A dense right upper lobe airspace consolidation persists . In comparison to the most recent study on ___ , lucencies within this consolidation are more visible , suggesting likely a component of resolving lobar collapse or infection . Rightward mediastinal shift is less pronounced . Right pleural effusion has slightly decreased . Left lung is essentially clear , without consolidation , effusion or pneumothorax . Right heart border is silhouetted . Aortic arch calcifications . No acute osseous abnormalities identified .
    OUTPUT:
    
1 . New lucencies within the right upper lobe consolidation , suggesting a component of resolving atelectasis or infection . 2 . Right pleural effusion , likely improved .