A woman with advanced breast cancer which had spread around her body has been completely cleared of the disease by immunotherapy. It is the first time that a patient with late-stage breast cancer has been successfully treated by a form of immunotherapy that uses the patient’s own immune cells to find and destroy cancer cells that have formed in the body.
The success, reported in the journal Nature Medicine
, is all the more remarkable because breast cancers, like prostate and ovarian cancer, have relatively few mutations, which makes them harder for the immune system to spot amid the body’s healthy tissues.
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