Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right lower lobe opacity is improved from ___ . The right upper lobe opacity is unchanged from ___ . These findings are consistent with mildly improving multifocal pneumonia . Septal lines at bases are unchanged from ___ and is consistent with early interstitial edema . Cardiomediastinal borders and hilar structures are normal . Cardiac size is normal .
    OUTPUT:
    
Mild improvement in multifocal pneumonia as compared to ___ . Probable early pulmonary interstitial edema .