Further, imaging flow cytometry analysis revealed higher expression of the previously reported tumor dormancy markers phosphorylated p38 (P-p38) and GAS6, or the two in combination 44, 51, 52, in CVCPos dormant cells from Tgfbr2MyeKO mice as compared to those from controls (Figure 1G, and Supple fig. This evidence concerns the gene GAS6 and neoplasm.