Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Nasogastric tube tip and side port appear to be within the stomach . Heart size is normal . Minimal atherosclerotic calcifications are seen at the aortic knob . Mediastinal and hilar contours are unremarkable . Lungs are clear . No pleural effusion or pneumothorax is present . Moderate degenerative changes are seen within the thoracic spine .
    OUTPUT:
    
Nasogastric tube tip within the stomach . No acute cardiopulmonary process .