Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest film ___ at 09 :31 is submitted .
    OUTPUT:
    
Interval placement of a single lead left - sided pacing device with the lead terminating over the expected location of the right ventricle . The cardiac and mediastinal contours are stable with left ventricular prominence . Interval placement of a right internal jugular Port - A - Cath with its tip in the distal SVC . No pneumothorax . Interval appearance of mild pulmonary edema .