Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right internal jugular central venous catheter tip terminates at the junction of the low SVC and right atrium . Cardiac , mediastinal and hilar contours are unchanged , with the aorta again noted to be tortuous with atherosclerotic calcifications . Mild pulmonary vascular congestion is present . Low lung volumes persist with mild patchy bibasilar opacities likely atelectasis . No pneumothorax is identified .
    OUTPUT:
    
Right internal jugular central venous catheter tip at the junction of the SVC and right atrium . Mild pulmonary vascular congestion and bibasilar atelectasis .