Previous studies have correlated the accumulation of TILs in tumours with the expression of the chemokine receptor CXCR3 (receptor for CXCL9, CXCL10 and CXCL11) (Slaney et al, 2014; Nagarsheth et al, 2017). The gene discussed is CXCL9; the disease is neoplasm.