CEACAM5 and anemia: Clinical variables, including age (p = 0.009) and SRE (p < 0.001), ALP (p < 0.001), LDH (p < 0.001), CEA (p < 0.001), CA19-9 (p = 0.005), CA125 (p = 0.027), and metastatic pattern (p = 0.002), were effective factors for BM, while sex, anemia and pathological type had no effect on BM in GC.