Temporal trends in the surgical outcomes of patients with breast cancer.

Background: The incidence of breast cancer has been increasing in Japan over the past three decades, and it is the currently the most common malignancy in Japan. This study investigated the temporal trends of the surgical outcomes in patients with breast cancer.

Methods: We evaluated 543 consecutive patients who underwent breast-cancer resection between 1980 and 2009.

Apocrine carcinoma of the breast.

Apocrine carcinoma is a rare variant of breast carcinoma, and accounts for 0.3 to 1.0% of all breast cancers.