Endometrial cancer is one of the most common cancers in American women. In fact, about 40,000 American women receive a diagnosis of endometrial cancer each year, making it the fourth most common cancer found in women — after breast cancer, lung cancer and colon cancer.
Endometrial cancer usually begins in the endometrium, the lining of the uterus — a hollow, pear-shaped pelvic organ where fetal development occurs. Endometrial cancer is most common after the reproductive years, between the ages of 60 and 70. Endometrial cancer is sometimes called uterine cancer, but there are other cells in the uterus that can become cancerous — such as muscle or myometrial cells. These form much less common cancers called sarcomas and account for less than 5 percent of uterine cancers.
Endometrial cancer is often detected at an early stage because it frequently produces vaginal bleeding between menstrual periods or after menopause. If discovered early, this slow-growing cancer is likely to be confined to the uterus. Removing the uterus surgically often eliminates all of the cancer. In fact, stage I endometrial cancer is successfully treated more than 90 percent of the time. Unfortunately, not all endometrial cancer can be successfully treated. In these cases, the cancer has spread beyond the uterus by the time it’s detected. About 7,000 American women die each year of endometrial cancer.
POSTED IN: UTERINE CANCER

4. What is cancer of the uterus?
Cancer is a disease in which certain body cells don’t function right, divide very fast, and produce too much tissue that forms a tumor. Cancer of the uterus is cancer in the womb, the hollow, pear-shaped organ where a baby grows during a woman’s pregnancy. There are different types of uterine cancers. Two types are endometrial cancer and uterine sarcomas. In the United States, endometrial cancer is a common cancer of the female reproductive system. This type of cancer happens when cancer begins in the tissue lining the uterus (endometrium). Uterine sarcomas occur when cancer grows in the muscles or other supporting tissues in the uterus. Uterine sarcomas account for only a small portion of cancers of the uterus.
Why should I be concerned about cancer of the uterus?
Some women who get uterine cancer have certain risk factors, or things in their life that cause them to have a higher chance of getting this disease. But there are women who get uterine cancer who do not have any of these high risk factors. Uterine cancer usually occurs after menopause. But it may also occur around the time that menopause begins. Abnormal vaginal bleeding is the most common symptom of uterine cancer. Bleeding may start as a watery, blood-streaked flow that gradually contains more blood. Women should not assume that abnormal vaginal bleeding is part of menopause. If you have abnormal vaginal bleeding after menopause, talk with your health care provider.

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