Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube tip is at the level of the thoracic inlet , terminating approximately 8 .3 cm from the carina . The nasogastric tube tip is within the stomach . The heart size is normal . The mediastinal and hilar contours are unremarkable . There are low lung volumes with crowding of the bronchovascular markings . Streaky opacities in the lung bases likely reflect atelectasis . No pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities .
    OUTPUT:
    
Endotracheal and nasogastric tubes are in standard positions . Low lung volumes with mild bibasilar atelectasis .