Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Subtle retrocardiac opacity raises concern for an early right lower lobe pneumonia . There is mild platelike left basal atelectasis . The heart appears top normal in size . No large effusion or pneumothorax . Mediastinal and hilar contour appears normal . Bony structures are intact .
    OUTPUT:
    
Possible early pneumonia in the right lower lobe .