Final answer:
Fibroid tumors are not cancerous and are benign tumors that arise from the myometrium of the uterus. They are not life-threatening and can be surgically removed. The myometrium is the middle layer of the uterus, consisting of smooth muscle tissue.
Step-by-step explanation:
A fibroid tumor is false. Fibroid tumors are benign tumors that arise from the myometrium of the uterus. Unlike cancerous tumors, fibroids are not life-threatening and are often surgically removed for the comfort of the patient. The myometrium is the middle layer of the uterus, consisting of a thick layer of smooth muscle tissue that allows for powerful contractions during childbirth.