Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube terminates 3 .6 cm above the carina . Left axillary clips are constant . The cardiac silhouette remains severely enlarged , particularly the left atrium , as evidenced by splaying of the carina . Substantial bilateral pleural effusions are slightly smaller on the right and unchanged on the left . Left lower lobe remains collapsed and there is persistent right lung base atelectasis . Mild pulmonary edema is unchanged . No pneumothorax .
    OUTPUT:
    
Substantial bilateral pleural effusions are slightly smaller on the right and unchanged on the left . Mild pulmonary edema and left lower lobe collapse unchanged .