Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube is positioned high in the trachea , approximately 9 .5 cm from the carina . A nasogastric tube courses below the diaphragm with the tip in the stomach . A right internal jugular venous catheter is in unchanged position . The lung volumes are low , limiting evaluation . Within the limitations , there are no new opacities , pulmonary edema , pleural effusions , or pneumothorax . The cardiomediastinal silhouette is normal . There is no evidence of pneumomediastinum .
    OUTPUT:
    
1 . High positioning of the endotracheal tube . 2 . No evidence of pneumothorax or pneumomediastinum . Results were discussed with Dr . ___ at 4 :30 p .m . on ___ via telephone by Dr . ___ at the time the findings were discovered .