Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single supine AP radiograph demonstrates an endotracheal tube which appears to terminate 2 .8 cm above the level of the carina . An enteric tube descends the thorax in an uncomplicated course , its tip projecting over the right upper quadrant in appropriate position . Relative to prior study , enteric tube has been advanced . Subtle left perihilar and lower lobe opacity could reflect aspiration . There is no pleural effusion identified . There is no pneumothorax .
    OUTPUT:
    
Supportive devices in appropriate position . No pneumothorax . Possible aspiration in the left lower lung .