What is Immunotherapy and How Does It Treat Colorectal Cancer?

There's been a rapidly evolving paradigm shift in cancer treatment, and immunotherapy has been on the leading edge. While this practice has been around for a long time, new studies and trials have lead to a better understanding about how to best attack cancers. Oncologist Alok Khorana, MD joins Butts & Guts to dive into immunotherapy and how it's been applied to colorectal cancer treatment.