Glossary Term:

Title

medullary carcinoma

Phonetic

<b>MED</b>-you-<b>lair</b>-ee

Description

a special type of invasive ductal carcinoma with especially sharp boundaries between tumor tissue and normal tissue. About 5% of breast cancers are medullary carcinomas. The outlook (prognosis) for this kind of cancer is considered better than average. See also invasive ductal carcinoma.