Stivarga (regorafenib) is a cancer medication that interferes with the growth and spread of cancer cells in the body. Stivarga is used to treat colorectal cancer. It is also used to treat a rare type of tumor that can affect the esophagus, stomach, or intestines. (from Drugs.com)
Alternatives: Vitamin B17 is an option worth considering for eliminating cancer that is caught in very early stages, from a recent in vitro study of prostrate cancer cells:
Amygdalin exhibits significant antitumor activity in both castration-sensitive and castration-resistant PCa cell lines and merits further evaluation for therapeutic purposes
Alternative Drugs: Avastin, Erbitux, Zaltrap, Xiloda.