Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube ends 5 cm above the carina . A nasogastric tube ends in the stomach . The cardiac and mediastinal contours are normal . The right lung is clear . Blunting of the left costophrenic angle may represent a small effusion or scarring . No pneumothorax .
    OUTPUT:
    
The endotracheal tube ends in appropriate position . Blunting of the left cauda costophrenic angle may represent a small effusion or scarring .