Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP and lateral radiographs were provided . Left pleural effusion is stable . Right pleural effusion appears slightly increased from the prior study . There is slightly decreased aeration in the right lung compared to the prior study . The aerated left lung is clear . Cardiomediastinal silhouette is unchanged . Again seen are radiation and post-surgical changes in the right upper lobe . There are no acute skeletal abnormalities . No pneumothorax .
    OUTPUT:
    
Bilateral pleural effusions , slightly worse on the right . Decreased aerated lung on the right . Stable post - treatment changes .