GFAP and systemic lupus erythematosus: Strictly intertwined with inflammatory processes, the progression and postoperative complications of several malignancies as well as the clinical outcome of inflammatory diseases, such as systemic lupus erythematosus (SLE) or inflammatory bowel disease (IBD), could be predicted by the levels of GFAP [23], RDW [24], and NLR [25,26,27].