Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right tunneled central venous catheter terminates at the lower SVC . The heart size remains normal . The hilar and mediastinal contours are within normal limits . Moderate atherosclerotic calcifications are again seen at the aortic arch . There is no pneumothorax , focal consolidation , or pleural effusion .
    OUTPUT:
    
No acute intrathoracic process .