Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lines and Tubes : None . EKG leads overlie the anterior chest wall . Lungs : The lung volumes are low . Again identified are linear opacities in the right lower lobe , likely atelectasis . There is no definite consolidation . Pleura : There is no pleural effusion or pneumothorax Mediastinum : There is persistent cardiomegaly . Aortic knuckle calcification is again identified . Bony thorax : There is an old healed fracture involving the posterior right seventh rib . Otherwise bony thorax demonstrates no significant interval change .
    OUTPUT:
    
Low lung volumes with no definite consolidation . Linear atelectasis in the right lower lobe . Stable cardiomegaly . No pleural effusions .