Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable frontal semi supine radiograph of the chest and upper abdomen demonstrates an NG tube ending within the stomach . There is otherwise no significant change from 1 hour prior with stable appearance of the cardiomediastinal silhouette . The left costophrenic angle is excluded from this image . No large pleural effusion or pneumothorax .
    OUTPUT:
    
NG tube ending in the stomach .