Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is lung hyperinflation with flattening of the diaphragms . No focal parenchymal opacities are identified . A linear opacity across the left cardiophrenic angle is likely subsegmental atelectasis versus scarring . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of acute cardiopulmonary process . Hyperinflated lungs .