Tumors just vanished: Cancer patients now in remission after drug trial

Treatment with the immunotherapy dostarlimab showed promising results in a small trial of more than a dozen rectal cancer patients, according to new research, but further study is needed and it is too early to call it a cure. CNN s Erin Burnett speaks to Dr. Andrea Cercek, an oncologist at Memorial Sloan Kettering Cancer Center. , erinburnettoutfront, CNN, News br, br,