Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax . Lung volumes are slightly low , but there is no focal consolidation concerning for pneumonia . Right basilar atelectasis is present . Mild interstitial edema is present .
    OUTPUT:
    
Mild interstitial edema . No pneumonia .