This is his last trip back to Arizona, much like a dog’s last trip to the vet. In November, around Thanksgiving, he was found to have a second tumor. See:
http://ktar.com/story/1852241/doctors-find-second-tumor-sen-john-mccain-brain/
Surprising how none of the major news organizations have mentioned this.
Yes, it was completely swept under the rug. Although actually it’s likely the original tumor that grew back. Surgeons are famous for saying “we got it all.” Yeah, right.