Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been no interval change in the orientation of the accessed left pectoral MediPort , which terminates in the low SVC . The catheter continues to loops in the left supraclavicular soft tissues , possibly within a left subclavian venous branch . There is no kink or discontinuity along its course . There is no pneumothorax . The lungs are clear . The descending thoracic aorta is tortuous as in the past . The heart and mediastinum are within normal limits . A partially imaged biliary stent projects over the right upper quadrant .
    OUTPUT:
    
No interval change in orientation in course and caliber of a left pectoral MediPort . Clear lungs .