Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single supine view of the chest . Endotracheal tube seen with tip 6 .5 cm from the carina , just above the clavicular heads and can be advanced 2 cm for optimal positioning . Nasogastric tube seen with tip in the gastric body . Low lung volumes are seen . Mild left basilar opacity silhouettes the left costophrenic angle , potentially due to atelectasis . Elsewhere , the lungs are grossly clear . Cardiac silhouette is slightly enlarged and there is prominence of the aortic knob . Osseous structures are unremarkable .
    OUTPUT:
    
Endotracheal tube 6 .5 cm from the carina and can be advanced 3 cm for optimal positioning . Dr . ___ was notified by page at 19 :45 on ___ .