Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is moderately enlarged , and is slightly larger compared to the prior exam . There is dense retrocardiac opacity compatible with volume loss / infiltrate / effusion on the left . In addition there is right lower lobe volume loss / infiltrate . There is pulmonary vascular redistribution and increase in interstitial markings right greater than left
    OUTPUT:
    
CHF . Underlying infectious infiltrates in the lower lobes can not be excluded . Overall the appearance is worse compared to the study from 4 days ago