invasive ductal breast carcinoma medullary breast carcinoma https://www.malacards.org/card/breast_medullary_carcinoma NCIT:C9119 MONDO:0005063 infiltrating medullary carcinoma of the breast EFO:0000580 invasive medullary carcinoma of breast medullary breast carcinoma medullary breast cancer medullary carcinoma of breast invasive medullary carcinoma of the breast infiltrating medullary carcinoma of breast medullary breast carcinoma with lymphoid Stroma medullary carcinoma of the breast DOID:5605 An infiltrating breast carcinoma with a relatively favorable prognosis. It is an uncommon carcinoma, accounting for less than 1% of all infiltrating breast carcinomas. It is well circumscribed, with soft cut surface and often of considerable size. Microscopically, the predominant growth pattern is syncytial with broad anastomosing bands or sheets of malignant cells. The malignant cells are round with abundant cytoplasm and vesicular nuclei. The sheets of malignant cells are associated with a marked lymphoplasmacytic infiltrate. Glandular or tubular structures are absent. ICDO:8512/3 invasive medullary breast carcinoma MEDGEN:163568 UMLS:C0860580