Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . A left chest pacemaker has leads in the appropriate positions in the right atrium and right ventricle . There is no pneumothorax . No focal consolidation , pleural effusion or pulmonary edema is seen . The heart size is normal . Mediastinal and hilar contours are normal .
    OUTPUT:
    
Satisfactory left chest pacemaker leads in the right atrium and right ventricle without pneumothorax .