Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior exam , a new left internal jugular central venous catheter has been placed with the tip in the mid SVC . There is no pneumothorax . Bibasilar opacities are not significantly changed . There is no new opacity , pulmonary edema , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is normal . A catheter projecting over the heart and right upper abdomen is of uncertain etiology , and may be outside the patient .
    OUTPUT:
    
New left internal jugular central venous catheter with the tip in the mid SVC . No pneumothorax .