CAR; chimeric antigen receptor, CRS; cytokine release syndrome, CRP; C-reactive protein, ALL; acute lymphoblastic leukemia, DLBCL; diffuse large B-cell lymphoma, MM; multiple myeloma, Dex; dexamethasone, Toci; tocilizumab, mPSL; methylprednisolone, NA; not available. This evidence concerns the gene CRP and acute lymphoblastic leukemia.