Overview
- The British teenager announced the diagnoses in an Instagram post on 17 September after months of not feeling well.
- He said he will not race for the foreseeable future as he begins treatment, adding that he plans to return when medically able.
- Elite Motorsport confirmed doctors have established a care plan and pledged full support for Macintyre and his family.
- Macintyre was fifth in the GB3 standings with two rounds to go, having taken one victory and two second places this season.
- Messages of support poured in from across motorsport, including from Sebastian Montoya and Chloe Grant.