Still in shock after learning she had cancer during a routine doctor's visit, Joann Fox barely took in what physicians said.
Radiation and chemotherapy were mentioned as options, but one treatment was new to Fox: immunotherapy.
"I just listened, because I'd never heard of it before," Fox, 77, said.
Immunotherapy, which uses certain parts of a person's immune system to fight diseases, could be an option for her non-small cell lung cancer, a doctor said.
"I said, 'Let's go for it,'" she said. "What do I have...