"At one point in my therapy, I came to a very big conclusion -- cancer had taken enough from me," Angela Gass says.

Now 36, she has spent 12 years fighting cancer, which claimed one-third of her tongue and three-fourths of her jaw, leading to body image issues.

"It had taken my ability to eat, speak clearly and be confident about my appearance," Gass says. "I decided that I wasn't going to...