Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube is in stable position 4 .9 cm from the carina . Right PICC line is in the mid SVC . There is no pneumothorax . Lung volumes have slightly increased since the prior study . Bibasilar opacities are significantly improved . Small bilateral pleural effusions have decreased . Mild pulmonary edema has shown redistribution now worse on the right than the left , but is overall unchanged in severity . Mild cardiomegaly is unchanged .
    OUTPUT:
    
1 . Improved lung volumes and decreased size of small bilateral pleural effusions . 2 . Mild pulmonary edema is change in distribution but overall stable in severity .