Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of chest Extremely low lung volumes limit the evaluation of the lungs . With this in mind , there is bibasilar atelectasis but no evidence of pneumonia . Heart size is exaggerated by a epicardial fat pad as well as the low lung volumes . An NG tube is seen coursing into the stomach and curling upon itself . No pleural effusion or pneumothorax is identified . The right hemidiapghram is elevated ; the CT from the same day demonstrates liver causing the elevation .
    OUTPUT:
    
Limited study without evidence of pneumonia .