Ly, 681 cases (91.2 ) were ductal carcinomas and 66 cases (8.8 ) were of other types (lobular, medullary, mucinous, papillary, or tubular carcinoma). Mean age at inclusion time was 45.9 ?9.8 (mean ?SD) years and 31.3 were postmenopausal women (Table 1). Most baseline characteristics did not differ between the ER/PR-negative and -positive groups (all Ps > 0.05; Table 1, some data not shown). Howev