Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . There is a large right pleural effusion with associated atelectasis in the right lower lung . Please note , pneumonia difficult to exclude . Lung volumes are low . No convincing signs of pneumonia in the left lung . Heart size is difficult to assess . Mediastinal contour is unchanged . Bony structures are intact .
    OUTPUT:
    
Large right pleural effusion with consolidation in the right lower lung concerning for atelectasis and / or pneumonia .