Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are new opacities projecting over the bilateral lower lungs , greater on the right than the left . There is unchanged elevation of the right hemidiaphragm . Stable cardiomediastinal silhouette . No large pleural effusion or pneumothorax .
    OUTPUT:
    
New bilateral lower lung opacities greater on the right than the left could reflect aspiration or infection .