What is endometrial (uterine) cancer?

Lynn D. Kowalski, MD
Gynecologic Oncology
Uterine cancer is the most common gynecological cancer. In this video, Lynn Kowalski, MD, gynecologic oncologist at MountainView Hospital, explains that it's most common in postmenopausal women.
Sharyn N. Lewin, MD
OBGYN (Obstetrics & Gynecology)
Abnormal cells or cancer may start growing in the uterus or womb. Over 95% of uterine cancers actually form in the lining (endometrium) of the uterus. Your doctor may use uterine cancer or endometrial cancer interchangeably.
Uterine cancer is cancer of the uterus. It is also referred to as endometrial cancer. Uterine cancer generally affects women who have already gone through menopause. If caught and treated early, most women can fully recover from the disease.
Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
Cancer of the uterus is cancer of the womb, the hollow, pear-shaped organ in a woman where a developing baby grows. It is also called uterine cancer and endometrial cancer. Watch me talk about cancer of the uterus.


The endometrium is the lining of the uterus, a hollow, muscular organ in a woman's pelvis. The uterus is where a fetus grows. In most non pregnant women, the uterus is about 3 inches long. The lower, narrow end of the uterus is the cervix, which leads to the vagina. Cancer of the endometrium is different from cancer of the muscle of the uterus, which is called sarcoma of the uterus.

This answer is based on source information from the National Cancer Institute.

Continue Learning about Endometrial (Uterine) Cancer

Endometrial (Uterine) Cancer

Starting in the lining of a womans uterus, endometrial cancer is caused when your body has a hormonal imbalance.When you have too much of the hormone estrogen relative to the hormone progesterone, the lining of the uterus grows to...

o thick and allows tumors to grow. The hormonal imbalance may be caused by using estrogen to treat menopause or by having ovarian tumors that produce estrogen. Obesity also increases your risk; fat cells make extra estrogen that isnt balanced out with more progesterone. Hormonal birth control can reduce your risk of endometrial cancer, although keep in mind it has risks of its own. Studies show you can remain protected from this cancer for up to 10 years after you stop taking hormonal birth control. Call your doctor if you have vaginal bleeding or unexplained weight loss. When found early, endometrial cancer is very treatable. Aggressive treatments may include removal of parts of the female reproductive system, including the uterus and ovaries.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.