Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest PA and lateral radiograph demonstrates right - sided tunneled HD line with distal port in the upper right atrium and the more proximal port in the distal SVC . No pleural effusion or pneumothorax evident . Mediastinal and hilar contours are unremarkable . Heart size is top normal , though comparable to ___ chest radiograph .
    OUTPUT:
    
Right - sided tunneled catheter with tip in the upper right atrium . No pneumothorax .