Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is placement of a tunneled left subclavian indwelling catheter which may be a coiled at the junction of the right subclavian vein and SVC . Alternatively , the tube may curve posteriorly to enter the azygos vein . Mediastinal widening is likely due to a combination of prominent vasculature and lymphadenopathy . There is no pneumothorax . The heart size is magnified by the projection .
    OUTPUT:
    
Status post placement of tunneled left subclavian catheter which may coil at the junction of the right subclavian vein and SVC , or curve posteriorly to and to the azygos vein . A repeat PA and lateral radiograph may be obtained for more specific local is the . No pneumothorax .