Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . A new left chest pacemaker has leads terminating in the right ventricle and coronary sinus . There is no pneumothorax . The lungs are fully expanded and clear . The cardiac silhouette is mildly enlarged . The hilar contours and pleural surfaces are normal . There is no pleural effusion .
    OUTPUT:
    
Satisfactory placement of left - sided pacemaker with leads in the right ventricle and coronary sinus .