... flavanol, epi-gallocatechin-3-gallate (EGCG), which can inhibit metal-loproteinases, among several possible other mechanisms[158]. And there are claims for various other herbal sub-stances and ... greater thanthat, with the potential for direct anti-tumor activity.Whole Diet StudiesA diet-based cancer therapy, the Gerson Therapy, was usedto treat melanoma cancer. The five-year survival ... effects for women undergoing radi-ation therapy for carcinomas of the uterine cervix [175], for patients undergoing radiation therapy for head andneck cancers [176], and for colorectal cancer...