Prognostic clinicopathological and FAP-1 and α-SMA as predictors of disease-specific survival in resected non-small-cell lung cancer patients and in subgroups with squamous cell carcinoma and adenocarcinoma (univariate analyses, log-rank test, n = 535, 289 and 201 respectively). Here, PTPN13 is linked to squamous cell carcinoma.