Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Left pectoral pacemaker leads end in the expected locations of the right atrium and right ventricle . The patient is status post CABG . A small left pleural effusion is unchanged from the preprocedure study . The right lung is clear . No pneumothorax . Cardiac and mediastinal silhouettes and hilar contours are stable with moderate cardiomegaly .
    OUTPUT:
    
No pneumothorax . Discussed with Dr . ___ at 11 :48 a .m . on ___ by phone .