National Breast and Ovarian Cancer Centre (NBOCC)

Resource library Glossary

A glossary of terms covering all aspects of breast and ovarian cancer.

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E

Term Definition
Early breast cancer

Early breast cancer is an invasive breast cancer that is contained in the breast and may or may not have spread to lymph nodes in the breast or armpit. Some cancer cells may have spread outside the breast and armpit area but cannot be detected.

Early menopause

Menopause occurring at age 45 years or younger

Echocardiogram

A type of ultrasound test that looks at the size, shape and function of the heart

Endocrine therapies

Another name for hormonal therapies

Endometriosis

A condition in women in which the cells that line the uterus (womb) are deposited in areas outside the uterus

Epidural

A type of anaesthesia that involves delivering the anaesthetic into the lower back

Epithelial ovarian cancer

A type of ovarian cancer that starts in the cells that cover the surface of the ovary

Epithelium

Cells or tissue that line or cover the cavities and surfaces of the body

Ethics committee

A group of experts who review clinical trial protocols to make sure that patient rights are protected

External breast prosthesis

An artificial breast; also called a breast form

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