Here is the issue with Chemotherapy

Chemotherapy is a chemical carpet-bombing used in conventional medicine that poisons the entire body. The theory is that because the tumor shrinks during chemo, the survival rate should increase. Statistics is not clear: there is no scientific data to support using chemo for all cancer types, on the contrary. Much of chemotherapy today is done at experiential level, meaning it is not evidence-based yet. Unless the tumor stem cells are removed or destroyed, the tumor often grows back.