The MIT article is heartening, but Steven's speech about his experience is even better. If you have 12 minutes to watch it -- it's worth it: https://www.youtube.com/watch?v=-L-WFukOARU
A highlight from that talk was the state of the art robotic surgery facility at Brigham and Women's neurosurgery dept.
http://www.brighamandwomens.org/departments_and_services/neu...
He got operated on by one of the best neurosurgeons specializing in glioma (his condition):