someone's cancer treatment and that exciting. it someone's cancer treatment and that excitina. . ., . . ., exciting. it could mean quite a lot. before we actually _ exciting. it could mean quite a lot. before we actually get _ exciting. it could mean quite a lot. before we actually get onto - exciting. it could mean quite a lot. before we actually get onto the . before we actually get onto the blood test itself. explain to us the chemotherapy in particular when it comes to bowel cancer, how aggressive and damaging is it? edit aggressive and damaging is it? fill chemotherapy effectively kill the fast growing cells and that's how they work for sub cancer is a extremely fast growing collection of cells and chemotherapy if them hard but it's not the only cells in the body which grow quickly for sub cells in our liver and hear follicles and various other cells in our body grow quickly and what chemotherapy is doing is also hurting them, so it's not side effect free and that's why we get such toxicity related to it. it does save millions of lives but it also is known as a blunt instrument and if we can spirit where possible that's absolutely ideal. 50. if we can spirit where possible that's absolutely ideal.- if we can spirit where possible that's absolutely ideal. so, if we can sirit that's absolutely ideal. so, if we can spirit as _ that's absolutely ideal. so, if we can spirit as possible, _ that's absolutely ideal. so, if we can spirit as possible, we - that's absolutely ideal. so, if we can spirit as possible, we can i can spirit as possible, we can