Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A nasogastric tube courses into the stomach , its distal course not delineated . The cardiac , mediastinal and hilar contours appear stable . There are very small bilateral pleural effusions . There is no pneumothorax . The lungs appear clear .
    OUTPUT:
    
Nasogastric tube coursing into the stomach . Very small pleural effusions . Clear lungs .