Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is moderately enlarged , similar to prior . There small bilateral effusions , left greater than right . There bilateral lower lobe infiltrates that have increased compared to the prior exam . There is mild pulmonary vascular redistribution
    OUTPUT:
    
Bilateral lower lobe infiltrates . It is unclear if these are due to infection or pulmonary edema . They have increased compared to prior