Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since 1 day prior , mild pulmonary vascular congestion has improved . Medial right upper lobe and right perihilar opacities are essentially unchanged and are concerning for hematoma . The right - sided chest tubes are unchanged in position . No pneumothorax or obvious pleural effusion . Cardiomegaly remains unchanged .
    OUTPUT:
    
Medial right upper lung and right perihilar opacities probably reflect a hematoma . Mild pulmonary vascular congestion has improved .