Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube is seen terminating 2 .6 cm above the carina . An enteric tube is seen curled within the stomach . The heart is normal in size . The cardiomediastinal and hilar contours are within normal limits . Lung volumes are low and there are vague opacities seen at the bases bilaterally which most likely represent atelectasis or aspiration . There is no evidence of pneumothorax . No large pleural effusions are identified . There is subtle irregularity of the anterior right 6th rib of indeterminate age .
    OUTPUT:
    
Endotracheal tube terminates 2 .6 cm above the carina . Bibasilar opacities , predominantly on the left , may represent atelectasis or aspiration . No evidence of pneumothorax . Subtle irregularity of the anterior right 6th rib of indeterminate age .