Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Endotracheal tube tip terminates at the thoracic inlet , approximately 6 .6 cm from the carina . Heart size is normal . The mediastinal contours are unremarkable . There is crowding of the bronchovascular structures , and possible mild pulmonary vascular congestion . Streaky and patchy opacities in the lung bases likely reflect atelectasis . No pneumothorax or pleural effusion is demonstrated . No acute osseous abnormalities are present . There is gaseous distention of the stomach .
    OUTPUT:
    
Endotracheal tube in standard position . Low lung volumes with bibasilar atelectasis and possible mild pulmonary vascular congestion .