On the Mayo Clinic Radio podcast, Dr. Brent Bauer, director of research for the Mayo Clinic Integrative Medicine Program, shares how complementary medicine, also known as integrative medicine, is used in cancer care. Also on the podcast, Dr. Bret Petersen, a Mayo Clinic gastroenterologist, discusses treatment for bile duct cancer. And Dr. Randall DeMartino, a Mayo Clinic vascular surgeon, explains peripheral artery disease, a common circulatory problem.