Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a pacemaker overlying the left chest with a single lead in the right ventricle . There are surgical clips seen overlying the left hilum . Heart size is stable . The mediastinal and hilar contours are stable . The pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
No evidence of congestive heart failure .