[1] Yokohama Med Ctr, Gen Thorac Surg, Yokohama, Kanagawa, Japan
[2] Univ Tokyo, Biostat & Bioinformat, Tokyo, Japan
[3] Kanagawa Canc Ctr, Dept Thorac Surg, Yokohama, Kanagawa, Japan
[4] Kanagawa Canc Ctr, Pathol, Yokohama, Kanagawa, Japan
[5] Kanagawa Canc Ctr, Thorac Oncol, Yokohama, Kanagawa, Japan
[6] Yokohama City Univ, Yokohama, Kanagawa, Japan