Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: NG tube ends in stomach with side ports approximately 2 cm below the left hemidiaphragm . Mild increase in left lower lobe atelectasis with low lung volumes bilaterally . No additional focal opacity , pulmonary edema , pleural effusion or pneumothorax . Heart size , mediastinal contours and hila are otherwise normal . No bony abnormality .
    OUTPUT:
    
1 . NG tube with tip in stomach and side ports near but below the gastroesophageal junction . Consider advancing 3 cm to prevent risk of aspiration . 2 . Mild increase in left lower lobe atelectasis .