Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is unchanged . There is no pleural effusion or pneumothorax . There is bibasilar atelectasis . There is mild interstitial edema , improved from ___ . There is no focal lung consolidation . There is calcification of the anterior longitudinal ligament of the thoracic spine consistent with DISH .
    OUTPUT:
    
No definite focal consolidation . Mild interstitial edema improved from ___ .