Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes cause bronchovascular crowding and bibasilar subsegmental atelectasis . Lordotic technique falsely enlarges the cardiac silhouette . There is no focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . A right pectoral Port - A - Cath catheter tip terminates within the right atrium . Bilateral moderate acromioclavicular degenerative changes are stable .
    OUTPUT:
    
Low lung volumes . No acute cardiopulmonary process .