IP-10 (CXCL10), which is a chemokine involved in the recruitment and activation of immune cells, also plays a role in CAR T-cell therapy by attracting T cells, NK cells, and other immune cells to the tumor site, and it enhances the infiltration of CAR T cells into the tumor site, thereby promoting their antitumor activity. Here, CXCL10 is linked to neoplasm.