Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest demonstrates a nasogastric tube coursing through the esophagus , below the diaphragm , with tip terminating in the fundus of the stomach . The cardiomediastinal silhouette demonstrates a tortuous aorta , but is otherwise unremarkable . The lung volumes are relatively low , but demonstrate no focal opacity , pleural effusion , or pulmonary edema . No pneumothorax is present . Cholecystectomy clips are seen projecting over the right upper quadrant .
    OUTPUT:
    
NG tube in appropriate position , with tip terminating in the fundus of the stomach . No acute cardiopulmonary process . No evidence of subdiaphragmatic free air .