However, in their study, unlike our results, no effect on prognosis was seen by CD163+ M2 macrophage infiltration, suggesting that in NSCLC, M1 and M2 macrophage infiltration is not correlated to the same extent as in CRC, or that the functions of M2 macrophages may differ between the two cancer forms. The gene discussed is CD163; the disease is colorectal carcinoma.