<prompt> Most common type of breast carcinoma:LobularDuctalMedullaryColloid  <response>: Ans: b Ductal Ref: Bailey, 24th ed, p. 836 Ductal carcinoma is the most common variant. Subtypes of lobular carcinoma are classical type and pleomorphic type, of which classical type carries a better prognosis.Classification of breast carcinoma with percentage incidence is given in 2007 surgery paper. Please go through it. 