The doctors and scientists who work tirelessly for treatments and cures are heroes. But so are the men and women who stand up, and tell the world, they're fighting cancer.
I met one recently. You probably know him. His name is Ethan Zohn, and he won the third season of Survivor.
Ethan was recently diagnosed with a rare type of Hodgkin's lymphoma, and he's undergoing aggressive treatment.
He's blogging about it, posting video diaries, and serving as an ambassador for the Stand Up 2 Cancer efforts.
His spirit and energy are an inspiration to anyone battling cancer.
In fact, Ethan is a modern day profile in courage. Survivor is no longer just a show for him. It's his new reality.
That's a page from my notebook.
I'm Katie Couric, CBS News.