NRP1 and non-small cell lung carcinoma: Although the expression level of NRP1 in NSCLC was higher than the level of NRP1 in corresponding extra-neoplastic lung tissue, it was significantly correlated with a poor prognosis in patients with NSCLC due to neovascularization 15, and there have been no reports on a correlation between NRP1 activation and radio-resistance in NSCLC cells.