Firstly, there are several types of surgeries for uterine fibroids, so the duration of the surgery depends on the size of the fibroids, the surgical method, and the type of anesthesia used. If the surgery is an open surgery for simply removing benign uterine fibroids, the operation, including the time for anesthesia, generally takes about two hours, which is not very long. If the surgery is done laparoscopically under general anesthesia, it may take a longer time, and it takes some time for the patient to recover from anesthesia post-surgery. If the uterine tumor is malignant, then the surgery might require rapid pathological examination and the removal of other areas, leading to a more extended surgery time which can vary significantly.