Eight head and neck cancer patients given jab after surgery to remove tumours

None saw tumours return after four months while two relapses in control group

Vaccine uses weakened smallpox virus and patient's own cancer cells

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.