Scientists believe they have discovered a way to "steer" the immune system to kill cancers.
They have developed a method, reported in Science journal, for finding unique markings within a tumour - its "Achilles heel" - that the immune system can target.
http://www.msn.com/en-us/news/technology/scientists-find-cancers-achilles-heel/ar-BBqjiXn?li=BBnb7Kz
