Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Postoperative appearance to aorta and sternum are unchanged . There has been interval increase in the amount of pleural effusion bilaterally . The effusion is moderate on the left and is layering posteriorly . The effusion is small on the right . There is pulmonary vascular redistribution and hazy vascularity consistent with fluid overload . Te heart is moderately enlarged . Bilateral central lines are unchanged . NG tube tip is off the film , at least in the stomach .
    OUTPUT:
    
Increased fluid overload .