Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient has been intubated . The endotracheal tube terminates about 4 cm above the carina . An orogastric tube courses into the stomach , its termination point not imaged , lying below the inferior margin of the film . The lungs appear clear . The lung volumes are low . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Status post endotracheal intubation . No evidence of acute disease .