The “RHOBH” alum has been undergoing immunotherapy treatment since doctors found multiple tumors in her brain and body.

"I'm going to keep a positive outlook because that's the way my doctor just spoke to me." This post appeared first in Mamasuncut - visit the original post here: Teddi Mellencamp says her stage 4 tumo

Teddi Mellencamp took to social media Wednesday to share a positive update on her cancer treatment — all of her brain and lung tumors have "shrunk," she said. Mellencamp, 43, in a video posted to Instagram,