Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube has been placed and terminates approximately 4 cm above the carina . An orogastric tube passes into the stomach , it s distal course not imaged . The heart is normal in size . There is asymmetric left perihilar opacification , with mild right perhilar haziness , but otherwise the lungs appear clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Endotracheal tube terminating in the mid portion of the trachea . 2 . Left perihilar opacification with milder hazy right perihilar opacification . Considerations include asymmetric edema , versus pneumonia or even potentially retrohilar opacification associated with aspiration , which could also be considered in the appropriate clinical setting . Short - term followup radiographs are suggested .