“Subsequent tissue pathology revealed that a primary brain tumor known as glioblastoma was associated with the blood clot,” it added. (My emphasis.)
That's what killed Teddy Kennedy, Robert Novak, and Lee Atwater. It's the evil black queen of brain cancers with about a 0% survival rate. Prayers up for McCain and his family. It's just what many of us feared when the announcement was first made. He's a dead man walking.