Dr Frauscher said a course of antibiotics would take care of any infections, but a needlebiopsy or surgery might be required to rule out cancer or to alleviate pain.
When a pulse of light is sent into the tumor using fiber optic cable that is threaded into a tumor using a biopsyneedle, the molecule absorbs the light energy, converts it electrical energy that then causes tumor cells to self destruct.
Up until earlier this year Mr Bull was assessed and diagnosed by biopsy, using a large needle pushed through the ribs, which would often have to be repeated for accuracy.