CRP and diffuse large B-cell lymphoma: Some findings have provided evidence that there is an association between RDW and some markers such as IL‐6, CRP (C‐reactive protein), TNF‐I and II (Tumor Necrosis Factor), TK (Thymidine Kinase), ESR (Erythrocyte Sedimentation Rate), and Ferritin which the accuracy and sensitivity in DLBCL patients are in a state of ambiguity.13