Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left subclavian CVC terminates at the SVC RA junction . Low lung volumes . Tortuous , calcified thoracic aorta . Crowding of pulmonary vasculature secondary to low lung volumes . No definite consolidation . No pneumothorax .
    OUTPUT:
    
Left subclavian CVC terminates at SVC RA junction . Low lung volumes .