Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right pectoral pacemaker with leads terminating in the right atrium and right ventricle . Minimal blunting of the right costophrenic angle suggests pleural adhesion . Normal cardiomediastinal and hilar contours . Fully expanded , clear lungs . No pneumothorax or pleural effusion . Small hiatal hernia .
    OUTPUT:
    
No appreciable pneumothorax .