Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tip of the endotracheal tube ending 5 cm above the carina and an orogastric tube ending into the stomach , but is looped with its tip at the fundus of the stomach . Dual - lead left pectoral pacemaker device is present with each lead terminating into the right atrium and right ventricle respectively . Since last six hours , mild - to - moderately severe pulmonary edema has significantly improved . Bibasilar atelectasis persists , improved on the right side but worsened on the left side . Presumed small left pleural effusion . There is no pleural effusion on the right side .
    OUTPUT:
    
Over last six hours , mild - to - moderately severe pulmonary edema has improved , right lung base atelectasis is better whereas the left lower lung atelectasis is worse .