Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right internal jugular catheter terminates in the mid SVC . A prostatic aortic valve is seen projected over the heart . Lung volumes are low , which may accentuate bronchovascular markings . The lungs are grossly clear . The cardiomediastinal contour is within normal limits . The aorta is unfolded and shows extensive mural calcification . There is no evidence of large pleural effusion or pneumothorax . Note is made of old rib fractures .
    OUTPUT:
    
No acute cardiopulmonary process .