Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable supine chest radiograph demonstrates an endotracheal tube , it s tip which projects approximately 2 .9 cm above the level of the carina . An enteric tube descends the thorax in uncomplicated course , it s tip below the level of the diaphragm though out of the field - of - view . Lungs demonstrate emphysematous changes and are hyperexpanded . There is no focal consolidation identified . Cardiomediastinal and hilar contours are within normal limits . Several bilateral chronic appearing rib fractures are noted . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Emphysematous changes . Supportive devices appear appropriately positioned .