Treatment initially included hormone therapy and electrolysis but did not include gender reassignment surgery.

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Kosilek recently sued again, arguing that gender reassignment surgery was medically necessary for his care.

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She began hormone therapy as a teenager and had gender reassignment surgery four years ago, when she was 19.

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Sports Illustrated writer Loretta Hunt wrote of Fox's 2006 gender reassignment surgery and winning her pro debut in May 2012.

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Born a male, Lawless, 57, underwent gender reassignment surgery in 2005.

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Someone's decision to transition does not necessarily mean they are undergoing gender reassignment surgery, and in many cases they do not, said Mara Keisling, executive director of the Washington-based National Center for Transgender Equality.

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Without cadavers we would have no heart transplants, no skin grafts, no gender-reassignment surgery.

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