Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart appears mildly enlarged . The aorta is mildly tortuous . There is no pleural effusion or pneumothorax . At the left lung base there is minor volume loss with streaky opacities , probably minor atelectasis . The right lung appears clear . There is no pneumothorax . No rib fracture is identified .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease or rib fracture .