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About womb cancer

Womb cancer is sometimes called uterine cancer by doctors as uterus is the medical name for the womb. Or they may call it endometrial cancer. The endometrium is the lining of the womb. Endometrial cancer is the most common type of womb cancer.

If you are looking for information about cancer of the neck of the womb (cervix), this is not the right section for you. We have a separate section about cervical cancer.

The womb and reproductive system

The womb is part of a woman’s reproductive system. It is the pear shaped muscular bag that holds and protects a growing baby during pregnancy. The reproductive system is made up of the:

  • vagina
  • womb (uterus)
  • neck of the womb (the cervix)
  • fallopian tubes
  • ovaries
Diagram showing womb cancer

This video shows more detail about the female reproductive system. 

Where it starts

Most endometrial cancers are adenocarcinomas.

Adeno means that the cells that have become cancerous are the cells of glandular tissue. So for the most common type of womb cancer, the cancer is in the glands of the endometrium. Carcinoma means that the cancer has started in a surface or lining layer of cells (the epithelium).

How common it is

Around 9,400 women are diagnosed with womb cancer in the UK each year. This makes it the 4th most common cancer in women in the UK.

Who gets it

Most cases of womb cancer are in older women. It's much less common in women younger than 40.

Last reviewed: 
04 Mar 2020

Information and help