A cancer charity says there is a shortage of male bone marrow donors in this region, and is calling for more young men to sign up to its register.
The blood cancer charity, Anthony Nolan, says some transplant patients can benefit from having a male donor.
ITV News Anglia's Russell Hookey has been catching up with Steve Evans, from Northamptonshire, who is on the mend, after a successful transplant.
A campaign's been launched to try and attract more bone marrow donors. The Anthony Nolan Trust says more men aged 16 to 30, need to come forward.
Click above to see ITV News Anglia's interview with Ann O'Leary from the blood cancer charity Anthony Nolan