Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . The lungs show no focal consolidation , pleural effusion or pneumothorax . No pulmonary edema . There is mild blunting of the left costophrenic angle which may be due to scarring . There is deformity of the right fifth rib , likely related to prior trauma .
    OUTPUT:
    
No acute cardiopulmonary process .