Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube terminates 5 cm above the carina . An orogastric tube courses into the stomach , its inferior course not imaged . There is a somewhat increased retrocardiac opacity suggesting atelectasis and probably a coinciding small pleural effusion . There is no pleural effusion on the right . There is no pneumothorax .
    OUTPUT:
    
Status post endotracheal intubation with endotracheal tube terminating 5 cm above the carina . Left basilar opacity , probably due to atelectasis , including a suspected small pleural effusion ; however other etiologies such as developing pneumonia or aspiration pneumonitis are not excluded by this examination .