Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is moderately enlarged and there is a moderate to large right - sided pleural effusion similar in size compared to prior . There is pulmonary vascular redistribution with hazy vasculature that is slightly worse than on the prior study . There is patchy areas of alveolar infiltrate bilaterally .
    OUTPUT:
    
CHF , slightly worse compared to prior .