In order to investigate the efficacy of ROR1 inhibition in vitro, we characterized 8 SCLC cell lines (H69, H82, H146, H187, H209, H211, H1417, and H1963) for ROR1 and BCL2 expression (Fig. 2B), normalizing gene expression to GAPDH. Here, ROR1 is linked to small cell lung carcinoma.