Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette is upper limits of normal in size . Azygous vein is distended at 1 .5 cm in greatest transverse dimension , but has decreased in width since the prior radiograph of ___ . Pulmonary vascular congestion has also improved , and previously present pleural effusions have nearly resolved . Bibasilar opacities have substantially improved compared to the prior study with some residual patchy opacities remaining , partially obscuring the mid portions of the hemidiaphragms on the lateral view .
    OUTPUT:
    
Marked improvement since ___ , with improved pulmonary vascular congestion , marked decrease in pleural effusions , and improving aeration of both lung bases .