An adenocarcinoma of the breast characterized by the presence of two intermingled cellular components: cells with abundant granular, eosinophilic cytoplasm, and cells with abundant cytoplasm containing fine empty vacuoles. The disease is breast apocrine carcinoma (MONDO_0003934). Also known as: apocrine adenocarcinoma of breast, apocrine breast carcinoma, apocrine carcinoma of breast, apocrine carcinoma of the breast, breast apocrine adenocarcinoma.