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What causes leiomyosarcoma?

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Doctors don't know. It might result from gene changes that cause cells to grow out of control and form tumors. These changes can happen on their own, or you might have gotten the changed genes from one of your parents.

Most people who get this type of cancer are over age 50. Some people get the disease years after they've had radiation for a different kind of cancer.

SOURCES:

Dana-Farber Cancer Institute: "Leiomyosarcoma."

Macmillan Cancer Support: "Leiomyosarcomas (LMS)."

Memorial Sloan Kettering Cancer Center: "What's New in Leiomyosarcoma."

National LeioMyoSarcoma Foundation: "Biopsy," "What is Leiomyosarcoma?"

National Organization for Rare Disorders: "Leiomyosarcoma."

Sarcoma Foundation of America: "Uterine Leiomyosarcoma."

Reviewed by Brunilda Nazario on December 9, 2020

SOURCES:

Dana-Farber Cancer Institute: "Leiomyosarcoma."

Macmillan Cancer Support: "Leiomyosarcomas (LMS)."

Memorial Sloan Kettering Cancer Center: "What's New in Leiomyosarcoma."

National LeioMyoSarcoma Foundation: "Biopsy," "What is Leiomyosarcoma?"

National Organization for Rare Disorders: "Leiomyosarcoma."

Sarcoma Foundation of America: "Uterine Leiomyosarcoma."

Reviewed by Brunilda Nazario on December 9, 2020

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What chemicals can put you at risk for leiomyosarcoma?

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