| Term | Definition |
|---|---|
| Benign lesion |
a non-malignant growth which does not spread to other parts of the body. |
| Biopsy |
and removal of material for microscopic diagnosis. Can be aspiration by a needle to remove cells, can be removal of a tissue sample by a "core" needle, or surgical removal of part or all of the lesion. (See also Localisation Biopsy and ABBI.) |
| BRCA1, 2 |
Technical term for two genes involved in familial breast cancer. |
| Breast conservation |
The treatment of breast cancer by tumour excision and radiotherapy in which the breast is retained (conserved) in contrast to its removal (mastectomy). Rarely, radiation therapy is omitted. |