If you're unable to catch it in time, the cancer can spread to the lymph nodes and at that point, the cancer is essentially incurable, but that doesn't mean your condition can't be improved.
“No matter what as an artist that's always what you want to do, you want to connect to the audience, you want to be able to send whatever message it is that you're singing about, you want to be able to convey that - and not make them feel - you want them to feel it, you want them to feel what you fee”