Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are normal . There are bilateral perihilar opacities and reticular markings likely representing septal thickening , all of which are compatible with pulmonary edema . A mass overlies the left lung measuring 3 .8 x 3 .7 cm , minimally changed in size from chest CT ___ . There is blunting of the bilateral costophrenic angles which may be compatible with a trace bilateral pleural effusions Linear opacities overlying both lower lobes likely represent subsegmental atelectasis .
    OUTPUT:
    
1 . Central perihilar opacities and reticular markings diffusely overlying both lungs , which likely represent pulmonary edema . 2 . Opacity overlying the left lung measuring up to 3 .8 cm likely represents lung mass previously seen on chest CT ___ . 3 . Bibasilar atelectasis .