The expression of TIM-3 has been found on tumor cells, including those from non-small cell lung cancers (NSCLCs), hepatitis B virus-associated hepatocellular carcinoma (HBV-HCC), renal cell carcinoma (RCC) and follicular B cell non-Hodgkin’s lymphoma [11]. Here, HAVCR2 is linked to non-small cell lung carcinoma.