Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again appreciated are bilateral left greater than right pleural effusions which have increased in size compared to the prior exam . Persistent bibasilar left greater than right opacities are slightly improved . Again appreciated is postoperative appearance of the mediastinum with a significantly tortuous thoracic aorta . A significant wedge compression fracture of one of the lower thoracic vertebral bodies is unchanged .
    OUTPUT:
    
Increasing bilateral left greater than right effusions . Improvement of probable prior left base pneumonia .