Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval improvement of a left pleural effusion ; however , there is new obscuration of the left hemidiaphragm consistent with worsening left basilar atelectasis . The interstitial edema in the right lung is improved . The right pleural effusion and atelectasis is stable . Cardiomediastinal and hilar contours are stable with moderate cardiomegaly . Two chest tubes remain in good position .
    OUTPUT:
    
1 . Worsening left base atelectasis . 2 . Improvement in interstitial edema in the right lung . 3 . Chest tubes remain in good position .