Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube is appropriately positioned , ending 2 .8 cm above the level of the carina . There is minimal peribronchial opacification in the left lower lung , possibly atelectasis versus aspiration . The heart size is normal . The mediastinal contours are normal . There are no pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
1 . Appropriately positioned endotracheal tube , ending 2 .8 cm above the level of the carina . 2 . Heterogeneous left lower lung opacities , possibly atelectasis versus aspiration pneumonitis . Findings were discussed with Dr . ___ by Dr . ___ at 9 : 20 a .m . via telephone on the day of the study .