Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube is in appropriate position , and the gastric tube ends in the stomach . The left subclavian line ends in the lower SVC . Low lung volumes are low with bibasilar atelectasis . The cardiac is mildly enlarged with mild interstitial edema . Small pleural effusions may be present .
    OUTPUT:
    
Mildly enlarged heart with improving interstitial edema . Low lung volumes with bibasilar atelectasis