Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior study , there is progressive vascular plethora with bibasilar collapse and / or consolidation and small effusions . The effusions are slightly larger than on the prior study . Right hilum is again noted to be prominent , likely more engorged on the current examination due to fluid overload .
    OUTPUT:
    
CHF with interstitial and alveolar edema and bilateral effusions , progressed compared with ___ . Although atelectasis could account for changes at the at the bases , the possibility of an underlying infectious infiltrate can not be entirely excluded .