Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated with flattened hemidiaphragms . A linear scar at the left lung base is unchanged . Lungs are otherwise clear without focal consolidation , effusion , or pneumothorax . Biapical pleural and parenchymal scarring is unchanged . Small hiatal hernia is unchanged . Cardiomediastinal and hilar contours are unchanged since the prior study .
    OUTPUT:
    
No focal consolidation concerning for pneumonia .