Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . No focal opacities are identified . Blunting of the right costophrenic angle is chronic . Chain sutures from prior left lung surgery are redemonstrated . There is a tortuous aorta . Otherwise cardiomediastinal and hilar contours unremarkable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .