Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac size is top - normal . The aorta is very tortuous . Central catheter is in standard position . Bibasilar opacities larger on the right are consistent with atelectasis there is no pneumothorax or pleural effusion . There are moderate degenerative changes in the thoracic spine . Patient has known emphysema . Multiple left rib fractures are again noted
    OUTPUT:
    
No acute cardiopulmonary abnormalities . Emphysema .