| Term | Definition |
|---|---|
| Magnetic resonance imaging (MRI) |
A technology which uses magnetic fields rather than x-rays to produce images of the body structure. |
| Malignant |
A growth of cells which have the ability to invade and destroy body tissues. The opposite of benign. |
| Mammography (mammogram) |
X-ray imaging of the breast which can show lesions in the breast too small or too deep to be felt by you or your doctor. |
| Megavoltage |
High energy x-rays which are used in modern curative radiotherapy. |
| Metastasis |
The spread of cancer from the primary tumour to another part of the body (secondary tumours). |
| Modified radical mastectomy |