[1] Iwate Med Univ, Dept Mol Diagnost Pathol, Sch Med, Morioka, Iwate 0208505, Japan
[2] Ishida Clin, Dept Breast Surg, Morioka, Iwate 0200034, Japan
[3] Yu Ai Hosp, Dept Surg, Morioka, Iwate 0200834, Japan
[4] Univ Yamanashi, Dept Biochem, Chuo Ku, Yamanashi 4093898, Japan
[5] Iwate Med Univ, Sch Med, Dept Radiol, Morioka, Iwate 0208505, Japan
[6] Natl Hosp Org Nagoya Med Ctr, Dept Pathol, Naka Ku, Nagoya, Aichi 4600001, Japan
[7] Univ Turin, Dept Med Sci, I-10126 Turin, Italy