Before I was diagnosed with cancer in June 1998, I wanted to be a princess, a teacher or a veterinarian.

Instead, I became a registered nurse at MD Anderson Children’s Cancer Hospital — the place that saved my life. And it’s all because of the outstanding care I received here as a child.

Dual diagnosis: granulocytic sarcoma and acute myeloid leukemia

My cancer story began the summer after first grade. At the time,...