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 SVC and right atrium . No pneumothorax is present . Moderate enlargement of the heart is again noted with coronary artery stenting . Atherosclerotic calcifications of the aortic knob are again present . Mediastinal contour is otherwise unchanged . There is mild pulmonary vascular congestion , perhaps minimally worse in the interval . Streaky opacities in the lung bases may reflect areas of atelectasis . No pleural effusion is present .
    OUTPUT:
    
Right internal jugular central venous catheter tip at the junction of the SVC and right atrium . No pneumothorax . Mild pulmonary vascular congestion and bibasilar streaky opacities , likely atelectasis .