1. American Joint Committee on Cancer. Lung. In: Fleming ID, Cooper JS, Henson DE, Hutter RVP, Kennedy BJ, Murphy GP, editors. AJCC cancer staging manual. Philadelphia: Lippincott-Raven; 1997. p. 127–37.
2. Fidler IJ, Hart IR. Biological diversity in metastatic neoplasms: origins and implications. Science. 1982;217:998–1003.
3. Weiss L. Metastasis of cancer: a conceptual history from antiquity to the 1990s. Cancer Metastasis Rev. 2000;19:351–79.
4. Yokota J, Kohno T. Molecular footprints of human lung cancer progression. Cancer Sci. 2004;95:197–204.
5. Sasatomi E, Finkelstein SD, Woods JD, Bakker A, Swalsky PA, Luketich JD, et al. Comparison of accumulated allele loss between primary tumor and lymph node metastasis in stage II non-small cell lung carcinoma: implications for the timing of lymph node metastasis and prognostic value. Cancer Res. 2002;62:2681–9.