Cancer is curable though it depends from person to person how herbs effect the person.
Even one of my sisters friend has blood cancer and i have advised him supplements along with contacting various ayurvedic cancer research centers.
Here are few to help you out, they are located in Ahmedabad. www.drpaneri.com www.ayurveda-cancer.org
This one is in calicut www.ayurvediccancertherapy.com
Lastly this one is in Malaysia a Herbal Cancer Research Center, Chris Toe (Ph.D) is the person to contact there. He is been working on various cancers for 26 years and curing using herbs. www.cacare.com