A treatment option for McCain: an electric cap that kills brain cancer cells
A mesh-like cap that produces a cancer-killing electric field is one treatment option for Sen. John McCain, but doctors have been slow to use it.
One of the few treatments shown to prolong the lives of patients with brain tumors like Sen. John McCain’s is a mesh-like cap that zaps the brain with a low-level electric field. But cancer doctors have been slow to embrace it, and few patients use it.
The medical device, known as Optune and made by Novocure, was shown
