Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube terminates about 3 cm above the carina . An orogastric tube courses into the stomach , its tip below the imaged region of the epigastrium . The heart appears mildly enlarged . The lung volumes are low . Opacity at the left lung base suggests minor atelectasis , probably in the lingula . Pleural effusions are difficult to exclude but not explicitly shown . There is no pneumothorax .
    OUTPUT:
    
Status post endotracheal intubation .