Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes have improved and left infrahilar opacification has decreased . The improvement is due to resolving atelectasis but the residual consolidation at both lung bases left greater than right is still of concern for pneumonia . The perihilar right lung appears newly edematous . Heart is borderline enlarged , but the mediastinal vasculature is not clearly abnormal . ET tube is in standard placement , nasogastric tube ends in the mid portion of nondistended stomach . There is no evidence of pleural effusion or pneumothorax .
    OUTPUT:
    
Improving left lower lobe atelectasis . Bibasilar pneumonia not excluded . New mild pulmonary edema . Lines and tubes in standard placements .