Galectin‐9 facilitates T‐cell apoptosis through the cross‐linking of Tim‐3, while the co‐expression of PD‐1 attenuates Galectin‐9/Tim‐3‐induced apoptosis by promoting the formation of Tim‐3/Galectin‐9/PD‐1 lattices in cancer.47 The gene discussed is HAVCR2; the disease is cancer.