Tim-3 is constitutively expressed on some innate immune cells like NK cells, DCs, monocytes, macrophages (Mφs), and mast cells40-45, and even on non-immune cells like lymphoma-derived endothelial cells (ECs), human umbilical vein endothelial cells (HUVECs), and decidual stromal cells (DSCs)46-48. Here, HAVCR2 is linked to lymphoma.