Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right internal jugular central venous catheter tip terminates at the SVC / right atrial junction . The patient is status post median sternotomy . The cardiac , mediastinal and hilar contours are unchanged . Minimal atelectasis is noted in the lung bases . No pneumothorax is identified . No large pleural effusion is present though the costophrenic angles are excluded from the field of view . No acute osseous abnormality is visualized .
    OUTPUT:
    
Right internal jugular central venous catheter at the junction of the SVC and right atrium . No pneumothorax .