CEACAM5 and gastric cancer: In addition, other immune-inflammatory biomarkers such as systemic immune-inflammation index (SII) (12), c-reactive protein/albumin ratio (CAR) (13); nutritional markers such as body mass index (BMI) (14), hemoglobin (Hb) (15), albumin/globulin ratio (AGR) (16), and lipoprotein cholesterol (17); and the classic tumor marker carcinoembryonic antigen (CEA) (18) were associated with GC or other malignancies.