Leiomyosarcoma & Other Uterine Sarcomas

The majority of endometrial cancers are carcinomas, which are cancers that form in the tissues that line internal organs such as the uterus. Some women, however, develop a type of cancer called a uterine sarcoma. These cancers start in the muscle or other connective tissues that surround the uterus -- in a layer called the myometrium.

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