What do we do to fight cancer? I mean that literally. What do we do? I know what my doctors do. They are fighting it with all the knowledge, skill and tools they have. Sometimes I feel like I am the battleground. My body is where that fight takes place. But what do I do?

Of course, I make the decisions as to how we're going to fight it, but sometimes I think my job is simply to endure the battle. I've never had symptoms from the cancer, except for some slurring from the swelling around the brain tumor. Otherwise, my cancer has been sort of abstract. I know I have it because I've seen the pictures, and my doctors have told me. But otherwise, I'd have no idea.

My body fights the cancer in ways I don't really know, I guess. I'm sure my immune system is doing the best it can, but clearly, the cancer was able to overpower it and take hold. Physically, at least, my role seems to have been to cope with the treatments, to simply get through them and let them do their work. But there must be more to it than that. So, of course, we come face to face with the intangibles. Attitude? I think that's hugely important, but having a good attitude is no guarantee that you'll beat the Monster. Spirituality? I think that's more about how you face the disease, and your life, and what comes next.

So I end up back at my original question: As I sit here in my chair writing this, can I do something to fight the cancer? I can send bad thoughts its way, I guess, but that's not a real answer. What is it we do? I'd love to hear your thoughts.

Next Monday, on the NPR program Talk of the Nation at 2:00 p.m. EDT, host Neil Conan will be talking about cancer and the My Cancer blog. I'll be there, and we'll have a live studio audience. If any of you will be in the Washington, D.C., area that day and would like to be in the audience, please send an e-mail to talk@npr.org. I hope some of you can be there, and that we can meet in person.