A primary or metastatic malignant neoplasm involving the breast. The vast majority of cases are carcinomas arising from the breast parenchyma or the nipple. Malignant breast neoplasms occur more frequently in females than in males.

http://purl.obolibrary.org/obo/NCIT_C9335, http://purl.obolibrary.org/obo/DOID_1612, http://identifiers.org/snomedct/254837009, http://purl.bioontology.org/ontology/ICD10CM/C50

breast tumor, mammary tumor

malignant breast neoplasm, malignant neoplasm of breast, malignant tumor of the breast, malignant breast tumor, malignant neoplasm of the breast, malignant tumor of breast, mammary cancer, breast cancer, cancer of breast

primary breast cancer

mammary neoplasm

MONDO:0007254

• breast cancer, familial, susceptibility to, 2
• breast cancer, familial, susceptibility to, 1
• breast cancer, familial, susceptibility to, 3