Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a left - sided cardiac pacer with it s two leads in stable position . Lungs are well - expanded without focal consolidation , pleural effusion or pneumothorax . The cardiac and mediastinal contours are within normal limits .
    OUTPUT:
    
No acute cardiopulmonary process . Stable position of the left cardiac pacemaker and its leads .