IE 11 is not supported. For an optimal experience visit our site on another browser.
We apologize, this video has expired.

    How doctors used virtual reality to save a 2-year-old with a brain tumor

    Doctors took a high-tech approach to helping two-year-old Ari Ellman, who needed surgery to remove a rare, life-threatening brain tumor. Before the procedure, which had never been done on a patient so young, they used virtual reality and a 3D printed skull to ensure the high-stakes operation went smoothly.