label: Invasive Breast Carcinoma
label_lc: invasive breast carcinoma
description: A carcinoma that infiltrates the breast parenchyma.  The vast majority are adenocarcinomas arising from the terminal ductal lobular unit (TDLU).  Often, the invasive adenocarcinoma co-exists with ductal or lobular carcinoma in situ.  It is the most common carcinoma affecting women.