[1] Osaka City Gen Hosp, Dept Clin Oncol, Osaka, Japan
[2] Shizuoka Canc Ctr, Dept Radiol, Shizuoka, Japan
[3] Natl Canc Ctr, Regulatory Sci Sect, Multiinst Clin Trial Support Ctr, Tokyo, Japan
[4] Natl Canc Ctr, Dept Radiol, Tokyo, Japan
[5] Kyushu Natl Canc Ctr, Dept Thorac Oncol, Fukuoka, Japan
[6] Natl Canc Ctr, Dept Thorac Oncol, Tokyo, Japan
[7] Natl Canc Ctr Hosp E, Kashiwa, Chiba, Japan