Cancer seems to affect just about everyone's life is some way. Either having it or having a close friend or family member with it. There are many CAM (Complementary and Alternative Medicine) techniques available for treatment along side the conventional methods (not necessarily instead of!). Yoga is one of them.
The National Cancer Institute provides information on various CAM treatment for Cancer. Of the 6 mind-body therapies listed, meditation and yoga are 2 of them. Also, check out Reuters for more info.
To your health!