Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An nasogastric tube courses beyond the diaphragm with side port beyond the expected location of the gastroesophageal junction . Lung volumes are slightly smaller than on previous examination with increased bibasilar opacification consistent with atelectasis . The mediastinal contours , cardiac borders , and right hemi diaphragm are stable . A small left pleural effusion is present , unchanged .
    OUTPUT:
    
1 . NG tube in appropriate position . 2 . Small left pleural effusion .