Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Airspace consolidation is patchy throughout the left lung concerning for pneumonia . Opacification of the left mid to lower lung is likely secondary to a moderate pleural effusion and associated atelectasis in the right lower lung . The right apex remains well aerated . Heart size can not be assessed . Bony structures are intact though there is severe degenerative disease at both shoulders partially imaged .
    OUTPUT:
    
Airspace consolidation in the left lung concerning for pneumonia . Moderate right pleural effusion with compressive lower lobe atelectasis .