If my doctors at MD Anderson had told me that I would be standing on top of Camelback Mountain in Arizona just 10 months after my stem cell transplant, I would have called them crazy.

But on March 29, 2015, exactly 321 days after my transplant, I did exactly that, reaching the summit of Camelback with my husband and a childhood friend.

The full meaning of this didn't hit me until I saw the tears in my husband&#39...