obsolete_invasive breast ductal carcinoma true breast invasive ductal carcinoma ICDO:8521/3 ICDO:8500/3 EFO:0000186 invasive ductal carcinoma, NST invasive ductal adenocarcinoma ICD9:174.8 infiltrating ductal carcinoma of breast NCIT:C4194 infiltrating ductal carcinoma of the breast SCTID:408643008 infiltrating ductal carcinoma invasive ductal carcinoma, No specific type invasive ductal carcinoma of the breast invasive ductal carcinoma of breast invasive ductal carcinoma infiltrating ductal adenocarcinoma 3.88.0 The most common type of invasive breast carcinoma, accounting for approximately 70% of breast carcinomas. The gross appearance is usually typical with an irregular stellate outline. Microscopically, randomly arranged epithelial elements are seen. When large sheets of malignant cells are present, necrosis may be seen. With adequate tissue sampling, in situ carcinoma can be demonstrated in association with the infiltrating carcinoma. The in situ component is nearly always ductal but occasionally may be lobular or both. ductal adenocarcinoma infiltrating ductal breast carcinoma http://purl.obolibrary.org/obo/MONDO_0004953 Replaced by Mondo term MONDO_0004953, with which this term was previously merged. Use: http://purl.obolibrary.org/obo/MONDO_0004953 ONCOTREE:IDC invasive ductal breast carcinoma DOID:3008