biber's place. i couldn't believe it.y not really a -- i always thought marci was a woman. >> i am a woman. >> you are -- yeah. >> reporter: in the few years she's been in trinidad, dr. bowers has already performed nearly 500 sexual reassignment surgeries, which she prefers to call genital reassignment surgery, since she says it's about genitalia, not about sex. her office gets hundreds of inquiries a week, from prospective patients. dr. bowers and her staff respond to each and every one. monday morning, the day all three patients have their preoperative appointments. dr. bowers heads out to the office. in style. >> i have a porsche in the garage. what else do i need in life? i mean, what am i going to get? a ferrari? that's not a woman's car anyway. >> reporter: by noon, all three patients arrive at dr. bower's office. patric and amy, from north dakota. >> let's check in. >> my name is patric. >> how are you? >> very well. and yourself? >> reporter: mac and judy from north carolina. >> i'm checking in for my appointment.