66-year-old Man Goes to Doctor With Stomach Ache, Finds Out He's a Woman

You learn something new every day. But can you imagine the shock, at at 66-year-old years old, you go to a doctor to complain about a stomach ache only to be told the news you're female?
A 66-year-old apparently male patient made a stunning discovery when he sought treatment for swelling in his abdomen. The swelling was a cyst on his ovary and he was in fact a woman. The condition was caused by