Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left pectoral pacemaker with leads overlying the right atrium and right ventricle . Right PICC line terminates at least at the mid SVC and the tip is obscured by overlying pacer leads . There is no pneumothorax . Top normal cardiac size . Normal hilar and mediastinal structures . No pneumonia , no pulmonary edema . No pleural effusions .
    OUTPUT:
    
Right PICC line can be traced to the mid SVC , beyond that the line is obscured by overlying pacer leads .