Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube tip is 5 .6 cm from the carina . Hazy right basilar opacity is noted . There is also suspected retrocardiac opacity . Elsewhere , lungs are clear . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
Endotracheal tube tip is 5 .6 cm from the carina . Bibasilar opacities which could be in part due to a atelectasis noting that superimposed infection and / or aspiration are suspected . ___ , MD