Hormone-related cancer in transgender persons is very rare (there are case reports of breast cancer in MTFs). 2008, Harvey J. Makadon, The Fenway Guide to Lesbian, Gay, Bisexual, and Transgender Health:
A trans person might be a butch or a camp, a transgender or a transsexual, an MTF or FTM or a cross-dresser; […] 2013, Susan Stryker, Stephen Whittle, The Transgender Studies Reader, page xi:
(abbreviation, alt-of, initialism) Initialism of multilateral trading facility.