[1] Natl Canc Ctr Hosp East, Div Thorac Oncol, Kashiwa, Chiba, Japan
[2] Izumi Municipal Hosp, Ctr Canc, Osaka, Japan
[3] AntiTB Assoc, Double Barred Cross Hosp, Tokyo, Japan
[4] Nippon Med Sch, Tokyo 113, Japan
[5] Kinki Univ Sch Med, Dept Med Oncol, Osaka, Japan
[6] Mutual Aid Assoc Publ Sch Teachers, Kinki Cent Hosp, Dept Radiol, Hyogo, Japan
[7] Kyoto Univ Ctr Student Hlth, Kyoto, Japan
[8] Natl Canc Ctr, Div Dermatol, Tokyo, Japan
[9] Chugai Pharmaceut Co Ltd, Tokyo, Japan