Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP view of the chest shows a left chest wall port with the catheter terminating at the lower SVC . Please note there is a loop in the proximal aspect of the catheter . The heart size , hilar and mediastinal contours are normal . Lungs are clear and there is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process .