The correct option is B Uterus
A hysterectomy is a surgery to remove a woman's uterus (also known as the womb). The uterus is where a baby grows when a woman is pregnant. During the surgery, the whole uterus is usually removed.
Mastectomy is surgical removal of mammary glands.
Prostatectomy is surgical removal of prostate glands
vasectomy is surgical removal of vas deferens