Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube and NG tube are unchanged . There has been interval decrease in the pleural effusions with a small residual right - sided pleural effusion . There continues to be pulmonary vascular redistribution and alveolar infiltrate . Compared to the study from the prior day , there is improved aeration on the left and continued alveolar infiltrates on the right . Heart size continues to be moderately enlarged .
    OUTPUT:
    
Slight improvement in pulmonary edema .