breast tumor luminal A or B luminal B breast carcinoma https://www.malacards.org/card/luminal_breast_carcinoma_b Luminal B subtype of breast carcinoma DOID:0080674 MEDGEN:770986 A biologic subset of breast carcinoma defined by low to moderate expression of genes characteristic of luminal epithelial cells including estrogen receptor (ER), and high expression of GGH, LAPTM4B, and CCNE1. This subtype of breast cancer is associated with a good prognosis, although not as favorable as the luminal A subtype. NCIT:C53555 Luminal B breast cancer UMLS:C3642346 Luminal B oestrogen receptor positive subtype of breast carcinoma Luminal B Luminal B estrogen receptor positive subtype of breast carcinoma MONDO:0021115 Luminal B breast carcinoma