CXCL9 and neoplasm: In addition, the elevation in patients’ blood of CXCL9 and CXCL10 chemokines, the levels of which are increased in the co-culture medium after murlentamab-opsonized tumor cell addition, could also partly explain the murlentamab anti-tumor activity by promoting the recruitment of activated CD8+ and Th1 lymphocytes.