[1] Japanese Fdn Canc Res, Canc Inst Hosp, Dept Pathol, Koto Ku, 3-8-31 Ariake, Tokyo 1358550, Japan
[2] Toho Univ, Sch Med, Dept Pathol, Tokyo, Japan
[3] Japanese Fdn Canc Res, Canc Inst Hosp, Breast Oncol Ctr, Breast Surg Oncol, Tokyo, Japan
[4] Mie Univ Hosp, Dept Pathol, Tsu, Mie, Japan
[5] Northern Fukushima Med Ctr, Breast Ctr, Fukushima, Japan
[6] Natl Canc Ctr, Dept Pathol, 1-1 Tsukiji 5 chome, Tokyo, Japan
[7] Komagome Hosp, Tokyo Metropolitan Canc & Infect Dis Ctr, Dept Pathol, Tokyo, Japan
[8] Japanese Fdn Canc Res, Canc Inst Hosp, Breast Oncol Ctr, Breast Med Oncol, Tokyo, Japan
[9] Hosp East, Natl Canc Ctr, Dept Breast & Med Oncol, Chiba, Japan