Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate unremarkable cardiomediastinal and hilar contours . Chain sutures are noted projecting over the right mid lung , unchanged compared to prior examination . Ill - defined opacity in the right lower lobe may reflect early pneumonia in this clinical setting . Blunting of the right costophrenic angle , without evidence of effusion on the lateral . No pneumothorax .
    OUTPUT:
    
Ill - defined opacity in the right lower lobe may reflect early pneumonia in this clinical setting .