This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Surgery
Which patient has better prognosis in breast cancer? 
Select and explain. 
A. Luminal A, B. Luminal B, C. Patient who has triple test negative, D. Patient who has triple test positive
A: Luminal A
Answer: A: Luminal A 
Explanation: LUMINAL CLASSIFICATION: Luminal A: ER & PR + ve, double positive HER - 2 - neu (-) ve Most common type, best prognosis. Luminal B: ER, PR & Her - 2 - neu positive (triple positive) Normal breast like: well differentiated, ER +VE Basal cell type: triple negative ER, PR Her-2-neu (-) ve Positive for myoepithelial markers (basal keratins, P-cadherin, P63, laminin) CK- 5, 6, 17 & EGFR. Her-2 type: Her-2-neu +ve ER, PR -ve, worst prognosis