Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The patient is status post median sternotomy . The cardiac and mediastinal silhouettes are grossly stable . There has been significant interval decrease in previously seen bilateral pleural effusions which have essentially resolved with only possible very trace remaining . No focal consolidation is seen . There is no pneumothorax . No overt pulmonary edema is seen . Known biapical pleural thickening / scarring is stable .
    OUTPUT:
    
Significant interval decrease in previously seen bilateral pleural effusions which have essentially resolved with possible only very trace remaining . Otherwise , no acute cardiopulmonary process .