Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube terminates adjacent to the carina , possibly just extending into the proximal right main stem bronchus . An orogastric tube courses below the diaphragm , the tip is not included in this examination . Lung volumes are somewhat decreased . Increased opacity at the left lower lung could reflect a combination of atelectasis and pleural effusion . However , in the appropriate clinical setting , aspiration should be considered . The cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
1 . Endotracheal tube terminates adjacent to the carina . Recommend pulling back at least 4 cm to ensure adequate positioning . 2 . Increased opacity at the left lung base could reflect a combination of pleural effusion and volume loss . In the appropriate clinical setting , however , aspiration should also be considered . Findings discussed with Dr . ___ by ___ the telephone on ___ at 05 :45 , ___ min after discovery . Additional findings discussed with Dr . ___ by ___ the telephone on ___ at 07 :50 AM .