Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided pacer and dual leads is in stable position . A drain overlies the left heart / left hemi thorax . The heart is enlarged and globular in contour . There is trace pneumopericardium , consistent with recent pericardiocentesis . Surgical material projects over the right midlung , as before . No focal consolidation is identified . There is a small left basal pneumothorax .
    OUTPUT:
    
Small left basal pneumothorax . Globular , enlarged heart consistent with pericardial effusion . Minimal pericardial air consistent with recent pericardiocentesis .