Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No new focal consolidation is seen . Slight increase in opacity in the right perihilar region has been present on multiple priors with no clear correlate seen on chest CT from ___ , most likely representing overlap of structures . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable . Chronic rib deformity on the right is re - demonstrated .
    OUTPUT:
    
No acute cardiopulmonary process .