Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous exam from ___ . The lungs appear clear of confluent consolidation . There is mild blunting of the posterior costophrenic angles , potentially a small effusion versus atelectasis . Cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No evidence of consolidation or other findings to explain patient 's chest pain . Possible tiny pleural effusion .