Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Subtle opacity projecting over the lateral right mid hemithorax is stable as compared to the prior study and may relate to overlapping structures . No new focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable and unremarkable , as are the hilar contours .
    OUTPUT:
    
No significant interval change .