Next, we analyzed the cell type in which EGFR is required to induce OS formation, as we and others have recently shown that EGFR expression in myeloid cells is essential for the development of hepatocellular and colorectal cancer (Lanaya et al, 2014; Hardbower et al, 2017; Srivatsa et al, 2017). The gene discussed is EGFR; the disease is colorectal cancer.