Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since prior , endotracheal tube is too low and ends at the level of the carina , and can be pulled back approximately 3 .0 cm . An NGT enters the stomach . The cardiomediastinal and hilar contours are stable . Right basilar opacity has improved and therefore likely representative aspiration . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Endotracheal tube ends at the level of the carina and can be pulled back approximately 3 .0 cm . Improvement of right basilar opacity .