Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable supine chest radiograph was obtained . Lungs are low in volume with linear opacities in right lung which could reflect atelectasis or aspiration . There is no pleural effusion or pneumothorax . The ET tube is 2 cm above the carina , but given the degree of kyphotic positioning could be in standard position . Nasogastric tube terminates in the fundus of the stomach . Left clavicular fracture and right rib fractures appear chronic .
    OUTPUT:
    
1 . Linear right lung opacities could reflect atelectasis or aspiration . 2 . Endotracheal tube is 2 cm above the carina . It is likely satisfactorily positioned given degree of kyphotic positioning , but it should not be advanced any further .