Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval increase in the amount of alveolar infiltrate compared to the study from the prior day . This is now most marked in the right upper and lower lung . There continues to be a moderate right and small left pleural effusion . There is pulmonary vascular redistribution .
    OUTPUT:
    
Worsened CHF . An underlying infectious infiltrate on the right can not be excluded .