Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged with a left ventricular configuration . The aorta shows moderate unfolding . The lung volumes are low with mild relative elevation of the right hemidiaphragm that appears unchanged . Streaky opacity in the right lower lobe appears unchanged , suggesting minor scarring . Otherwise , the lungs appear clear . There is no pleural effusion , pneumothorax , or pneumomediastinum .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .