Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette and hilar contours are unremarkable . Lungs are clear . Pleural surfaces are clear without effusion or pneumothorax . Upper enteric tube terminates in the proximal stomach ; however , the side port appears within the lower esophageal segment and should be advanced by at least 10 cm .
    OUTPUT:
    
1 . No acute cardiopulmonary abnormality . 2 . NG tube in the proximal stomach , however , with side port in the lower third of the esophagus and should be advanced by 10 cm .