CRP and esophageal cancer: The baseline serum contents of inflammatory biomarkers, like C-reactive protein (CRP)-albumin ratio (CAR), neutrophil-to-lymphocyte ratio (NLR), lymphocyte-to-monocyte ratio (LMR), and platelet-to-lymphocyte ratio (PLR), are associated with cancer development and prognosis, like GC, colorectal cancer (CRC), and esophageal cancer (EC; 11–13).