Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to chest radiograph from 1 day prior , the IABP has been removed . The remaining support devices are unchanged . Interval improvement in the pulmonary vascular congestion . Moderate cardiomegaly with interval decrease in the pneumopericardium . Retrocardiac opacity is unchanged . No pneumothorax .
    OUTPUT:
    
Slight interval improvement of pulmonary vascular congestion and pneumopericardium .