[1] Natl Canc Ctr, Dept Diagnost Radiol, Chuo Ku, Tokyo 1040045, Japan
[2] Natl Canc Ctr, Dept Breast & Med Oncol, Tokyo 1040045, Japan
[3] Natl Canc Ctr, Dept Neurosurg, Tokyo 1040045, Japan
[4] Natl Canc Ctr, Dept Pathol & Clin Labs, Tokyo 1040045, Japan
[5] Natl Canc Ctr, Res Inst, Dept Clin Pharmacol Grp, Translat Res Support Core, Tokyo 104, Japan
[6] RIKEN, Ctr Mol Imaging Sci, Kobe, Hyogo, Japan