Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior study there is increase in bilateral lower lobe opacities . In addition there is pulmonary vascular redistribution and increase in interstitial markings . There is probable bilateral small effusions . .
    OUTPUT:
    
Worsened appearance to the lungs . While some of this could be due to fluid overload an underlying infectious etiology can not be excluded .