bertha kuhns reports. >> not enough people are cured. people are hurt by our therapies, and we've got to find a better way. >> reporter: chief of oncology at the cancer center. >> there are some drug regiments that contain a targeted agent. >> reporter: oncologists have been working with ibm to turn watson, the cognitive computer famous for winning at jeopardy into a tool to help doctors provide the best cancer treatment options for patients. >> getting potentially a chemotherapy. >> reporter: to train watson, this last year the team ingested more than 2.5 million cancer data, written text from medical journals, clinical trial research, and 1,500 case files. >> teaching the system how to read the medical records and medical reports, which is not a simple task. >> reporter: dr. chris said watson's ability to learn was one thing that surprised him. >> and the second thing is just totally counterintuitive, that this machine is ultimately going to improve the care of each person. i mean, it's going to be the ultimate in personalized medicine