Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam from ___ . When compared to prior , there are developing bibasilar opacities and small bilateral effusions are now seen . Instinct pulmonary vascular markings seen superiorly . Cardiac silhouette is enlarged but grossly unchanged . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Findings most suggestive of congestive failure which has progressed since ___ .