Gynaecology & Obstetrics General 475e75cc Leiomyomatosis is A Malignant tumor B Non-infiltrative tumor C Extra uterine tumor D uterine fibroid High-Yield Explanation Extra-uterine smooth - muscle tumors, Which are benign yet infiltrative, may develop in women with concurrent or prior uterine leiomyoma ⇒ Leiomyomatosis.