Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrates clear lungs bilaterally , though lung volumes are low . A left chest port is identified , its tip terminating in the distal superior vena cava . Cardiomediastinal and hilar contours are within normal limits . Heart is top normal in size . There is no pleural effusion or pneumothorax . An enteric tube traverses the thorax in an uncomplicated course its tip terminating in the right upper quadrant , most compatible with a post pyloric position . No air under the right hemidiaphragm is seen .
    OUTPUT:
    
No acute process . An enteric tube terminating in a post pyloric position .