By MAILONLINE HEALTH TEAM PUBLISHED: 07:09 EDT, 5 July 2022 | UPDATED: 08:48 EDT, 5 July 2022 A cancer jab custom-made from patients’ own tumours has produced ‘really hopeful’ results in a trial. None of the eight head and neck cancer sufferers, who had a high chance of relapse, saw their tumours return four months after getting the vaccine. For...