Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild cardiomegaly , continued pulmonary vascular redistribution , small bilateral pleural effusions , and bilateral hazy alveolar infiltrate right greater than left . The right lower lobe infiltrate is somewhat improved compared to prior but in other portions of the lung the alveolar infiltrate is worse
    OUTPUT:
    
CHF . An underlying infectious infiltrate ca n't be excluded