Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since previous exam , the patient has been intubated and ET tube ends 2 .7 cm above carina . Bibasilar opacities , more prominent in the right side , are unchanged since previous exam . There is no pneumothorax . Mediastinal and cardiac contours are normal .
    OUTPUT:
    
1 . New ET tube is in adequate position . 2 . Bibasilar opacities are unchanged since ___ .