CXCL2 and neoplasm: We measured the expression of CXCL-1 and CXCL-2 in the tumor tissue and detected higher expression of CXCL-1 in Kyse-410 than Kyse-30 tumors while the expression of CXCL-2 was below the detection limit for both tumors (Figure 1 and Supplementary Table S7).