Monarch Disease Ontology id MONDO_0006306 (mixed lobular and ductal breast carcinoma) is a breast carcinoma characterized by the presence of a lobular and a ductal component. The ductal component comprises less than 50 percent of the tumor. Also known as: ductal and lobular carcinoma, mixed ductal and lobular breast carcinoma, mixed ductal and lobular carcinoma of breast, mixed ductal and lobular carcinoma of the breast, mixed lobular and ductal carcinoma, mixed lobular and ductal carcinoma of breast, mixed lobular and ductal carcinoma of the breast.