Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is normal . Mediastinal and hilar contours are unremarkable . Pulmonary vascularity is not engorged . Scarring within the lung apices is stable . Small left pleural effusion appears new compared to the prior exam . No focal consolidation , right pleural effusion or pneumothorax is identified . No acute osseous abnormalities are seen . Hyperinflation of the lungs is re - demonstrated .
    OUTPUT:
    
Small left pleural effusion . No acute cardiopulmonary abnormality otherwise demonstrated .