Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient remains intubated . A orogastric tube terminates in the stomach , but its gastric courses only measures about 5 cm . The cardiac , mediastinal and hilar contours appear unchanged including leftward shift in mild volume loss at the left lung base with patchy associated opacification . Elsewhere , the lung fields remain clear . A small pleural effusion is hard to exclude on the left ; no evidence for one on the right .
    OUTPUT:
    
Nasogastric tube terminating in the stomach . However , if better purchase is desired , advancing the tube somewhat may be helpful .