Any natural alternative treatments for a cancerous tumor in the colon?

Golf ball sized tumor in the large intestine of someone I know. History of precancerous polyps.
Normally healthy individual. What do you suggest, and do you know of any successful cases?

Related posts:

1. Colon Cancer - Treatments And Preventions.
2. Are there any alternative medicine treatments for someone diagnosed with a malignant brain tumor?
3. 4 Tips on Colon Cancer Alternative Treatment — With Some Healthy Nutritional Recommendations.wmv
4. NATURAL REMEDIES from A to Z - Remedy Natural
5. What are some natural, alternative treatments for PCOS (Polycystic Ovary Syndrome) ?