breast disorder breast neoplasm ICD9:239.3 SCTID:126926005 tumor of breast tumour of breast tumour of the breast neoplasm of the breast tumor of the breast breast tumor breast neoplasm breast neoplasm (disease) MESH:D001943 neoplasm of breast MEDGEN:264172 A benign or malignant neoplasm of the breast parenchyma. It can originate from the ducts, lobules or the breast adipose tissue. Breast neoplasms are much more common in females than males. breast tumour neoplasm, breast NCIT:C2910 UMLS:C1458155 EFO:0003869 ONCOTREE:BREAST neoplasm of thorax