They have been giving patients an experimental model of immunotherapy against cancer , which have had encouraging results .
During this time they have been evaluating a small group of 23 patients , mostly breast cancer and a few of colon , stomach and brain cancers .
patients have been giving patients an experimental model of immunotherapy against cancer , which have had encouraging results .
During this time they have been evaluating a small group of 23 patients , mostly breast cancer and a few of colon , stomach and brain cancers .