Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Nasogastric tube courses into the stomach and out of view . The lungs are clear without focal consolidation , pleural effusion or pneumothorax . The heart is normal in size with normal cardiomediastinal silhouette . No free intraperitoneal air is identified .
    OUTPUT:
    
No acute intrathoracic process .