Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Cardiomediastinal silhouette and hilar contours are unremarkable . Lungs are clear . There is no pleural effusion or pneumothorax . Endotracheal tube is in place and its positioning is low located 1 cm from the carina . A right subclavian central venous catheter is unchanged in position with its tip terminating at the cavoatrial junction .
    OUTPUT:
    
No acute intrathoracic process . Endotracheal tube positioning is too low . Recommend withdrawal by 2 cm . Results were discussed over the telephone with ___ on the TSICU floor by Dr . ___ at 11 :08 a .m . on ___ at the time of initial review .