Significant Spearman rank-correlations with R-values > 0.20 between tumor and stromal cell expression of FAP-1 or α-SMA in TMA samples from NSCLC patients (n = 536 for correlations with CD3 and correlations between FAP-1 and α-SMA and 326 for the remaining correlations) and in subgroup analyses of NSCLC according to histology (SCC n = 289 for correlations with CD3 and correlations between FAP-1 and α-SMA and 191 for the remaining correlations, ADC N = 201 for correlations with CD3 and correlations between FAP-1 and α-SMA and 95 for the remaining correlations). The gene discussed is PTPN13; the disease is non-small cell lung carcinoma.