Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacer and single lead are unchanged in position . A residual right ventricular pacing lead overlies the heart however the right generator has been removed . Mild to moderate cardiomegaly is stable . The cardiomediastinal and hilar contours are within normal limits . The pulmonary vasculature is not engorged and there is no evidence of pulmonary edema . There is no focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
No pneumothorax , pulmonary edema or focal consolidation .