Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ETT tip projects approximately 6 cm from the carina , within normal limits if the patient 's head is extended as it appears . Slight interval progression in bilateral multifocal parenchymal opacities , worse on the right .
    OUTPUT:
    
1 . ETT tip projects 6 cm from the carina within neck and apparent extension . 2 . Short interval increase in right worse than left parenchymal opacities are concerning for worsening multifocal pneumonia .