Leiomyoma of the uterus is a common benign tumor found in females. They most often develop in the myometrium and can grow large enough to spread to other structures in the body. A more common name for this type of tumor is uterine fibroid.
This medical illustration shows a leiomyoma (in grey) that has spread extensively from the uterus and traveled up the inferior vena cava into the heart. In order to remove the tumor, the surgeon detached the tissue from the junction of the right common iliac vein and right internal iliac vein. Once the tumor was detached, it was removed through an incision in the heart.
Illustration created by: Courtney Arden White