Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are relatively low lung volumes . Mild bibasilar atelectasis is seen . Slight increase in interstitial markings bilaterally may be due to mild interstitial edema . No definite focal consolidation is seen . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Mild basilar atelectasis without definite focal consolidation . Possible minimal interstitial edema .