Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP portable view of the chest was obtained . Endotracheal tube is seen , terminating approximately 4 .7 cm above the level of the carina . There are relatively low lung volumes . Bibasilar opacities are seen , which could be due to aspiration and / or infection . No large pleural effusion is seen , although a trace pleural effusion would be difficult to exclude . There is no overt pulmonary edema . No evidence of pneumothorax . The cardiac and mediastinal silhouettes are unremarkable . The patient is rotated slightly to the left .
    OUTPUT:
    
Endotracheal tube in appropriate position . Bibasilar opacities could be due to aspiration and / or infection .