Uterus fibroid is a benign tumor

That means uterus fibroid is non cancerous. Benign tumor is a group of cells that lacks of ability to attack neighboring cells .So all the characteristics are not present which are required to be called a cancerous tissues or tumor. So there for all benign tumors are non cancerous.

Uterine fibroid is characterized by fibrous tissue developing in the wall of the uterus (womb) . Actually it originate from the muscle layer of uterus called myometrium. These are usually round or semi round in shape.
These type of fibroids also called as uterine leiomyoma, myoma, fibromyoma  or fibroleiomyoma .

Symptoms of Fibroid in Uterus

Most of the women having uterine fibroids are asymptomatic. They do not cause symptoms or any type of problems. So woman with a fibroid is usually unaware of its existence.