CURCUMIN inhibits the rapid division of cancer cells, prevents cancer that is induced from carcinogens, and inhibits the spreading and growth of human tumors. Studies show it can be used along with chemotherapy and/or radiation treatments.   - HealthFaithStrength.com:

Curcumin inhibits the spreading of cancer cells even when chemo is used! And unlike chemotherapy, which was derived from mustard gas. Curumin inhibits the rapid division of cancer cells, prevents cancer that is induced from carcinogens, and inhibits the spreading and growth of human tumors. Studies show it can be used along with chemotherapy and/or radiation treatments.