Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Left - sided dual - chamber pacemaker device with leads terminating in the right atrium and right ventricle is noted . Heart is mildly enlarged . The aorta is tortuous and calcified . Crowding of the bronchovascular structures is likely related to low lung volumes , without overt pulmonary edema . No focal consolidation , pleural effusion or pneumothorax is definitively noted . No acute osseous abnormalities are seen .
    OUTPUT:
    
Low lung volumes . No acute cardiopulmonary abnormality otherwise noted .