Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . A left pacemaker is continuous with leads terminating in the right ventricle and right atrium . Lungs are well inflated and grossly clear . No pleural effusion or pneumothorax . Hilar and cardiomediastinal contours are normal .
    OUTPUT:
    
1 . A left pacemaker is continuous with leads terminating in the right ventricle and right atrium . 2 . No pneumothorax .