<prompt> Breast CA with best prognosisMucinousMedullaryInvasive ductalLobular Ca  <response>: Ans. a MucinousRef: Robbins 9thpg 1064-65Histological type: Invasive ductal carcinoma no special type; NST carries poor prognosis.Tubular, mucinous, lobular, papillary, adenoid cystic has better prognosisMetaplastic carcinoma or micro-papillary carcinoma have a poorer prognosis QRemember mucinous lobular 