Complex sentence: While she has undergone some cosmetic surgery, she has not undergone sex reassignment surgery or ruled it out; she stated that, for her, life as a woman is primarily a matter of mental state and lifestyle.
Split into simpler sentences: While she has undergone some cosmetic surgery, she has not undergone sex reassignment surgery or ruled it out. She stated that, for her, life as a woman is primarily a matter of mental state and lifestyle.