2. Goya T, Asamura H, Yoshimura H, et al. Prognosis of 6644 resected non-small cell lung cancers in Japan: a Japanese lung cancer registry study. Lung Cancer. 2005; 50: 227-234.
3. Asamura H, Goya T, Koshiishi Y, et al. How should the TNM staging system for lung cancer be revised? A simulation based on the Japanese Lung Cancer Registry populations. J Thorac Cardiovasc Surg. 2006; 132: 316-319.