This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast, Subject name: Pathology
Breast CA with best prognosis 
Select and explain. 
A. Mucinous, B. Medullary, C. Invasive ductal, D. Lobular Ca
A: Mucinous
Answer: A: Mucinous 
Explanation: Ans. (a) Mucinous(Ref: Robbins 9th/pg 1064-65)*Histological type: Invasive ductal carcinoma (no special type; NST) carries poor prognosis.*Tubular, mucinous, lobular, papillary, adenoid cystic has better prognosis#Metaplastic carcinoma or micro-papillary carcinoma have a poorer prognosis QRemember mucinous > lobular