операция по смене пола(разг. sex change operation, gender reassignment: Brian had always wanted to be a woman so he saved hard to go to Thailand for a nip and tuck Taras)
хирургическая операция по удалению морщин или омолаживанию лица(plastic surgery to remove wrinkles and other signs of aging from your face; an incision is made near the hair line and skin is pulled back and excess tissue is excised; "some actresses have more than one face lift" Alex Lilo)