- Analysis of risk factors for skip lymphatic metastasis and their prognostic value in operated N2 non-small-cell lung carcinoma. Benoit, L., Anusca, A., Ortega-Deballon, P., Cheynel, N., Bernard, A., Favre, J.P. European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology. (2006)