GOLDEN VALLEY, Minn. – From her home in Pequot Lakes, Stacy Erholtz described what it's like to be a part of medical history.

"I think it's already huge, it's huge in the making," Erholtz said.

The Mayo Clinic announced a possible medical breakthrough Wednesday and Erholtz not only had a front row seat, she was the star.

"My phone has exploded today," she said.

For ten years, Erholtz has battled multiple myeloma, an incurable blood cancer.

She was out of options last summer when the Mayo Clinic chose her for an experimental procedure where they injected her with a large amount of the measles virus.

"Afterwards I found out it was enough vaccination to inoculate 10 million people," she said.

Despite that, she describes the treatment as the easiest she's ever had, lasting only about 40 minutes.

The only side effects were a very painful headache and fever. She said both disappeared fairly quickly and as it turns out so did her cancer.

"I had plasmacytoma on my forehead, the size of a golf ball, and within 36 hours it was gone," she said of a tumor that disappeared. "I knew it was working, I was really excited."

Her doctor and co-developer of the treatment, Stephen Russell said researchers have known for years that viruses could kill cancers, at least in animals but never in humans...until now.

"We've known that viruses can work as a vaccine and if you inject a virus into a tumor you can provoke the immune system to destroy that cancer and other cancers," said Dr. Russell.

The Mayo Clinic will now start another trial of the treatment with more people in hopes of replicating Erholtz's results and officials eventually hope the FDA will approve the treatment in four years.

"It's the way of the future, I'm so excited for other people to experience this," she said.

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