A former Cambridge journalist whose life was saved by his children is putting on an exhibition of his artwork, titled ‘The Story So Far’. Terry Brownbill, 69, was diagnosed with acute myeloid leukaemia (AML) after his daughter Jessica demanded his GP call an ambulance when she saw he was rapidly declining after a bout of Covid. Doctors then told him in November that his last chance for survival was to find a stem cell donor. After that search drew a blank, his son Michael stepped forward, but as a haploid donor (a half match) the ensuing complications, called graft versus host disease, were se…