SATB2 and neoplasm: Analysis of tumor growth by measuring tumor area with digital calipers after 2 weeks (day 24 post-transplant) of treatment with Vemurafenib or a DMSO vehicle control showed a complete lack of response in MCR:SATB2 compared to Vemurafenib sensitive MCR:EGFP tumors (Figure 5E–F) (MCR:EGFP BRAFi vs. MCR:SATB2 BRAFi 2-tailed t-test p<0.0001****).