Retrospective Study
Copyright ©The Author(s) 2020.
World J Gastrointest Oncol. Oct 15, 2020; 12(10): 1167-1176
Published online Oct 15, 2020. doi: 10.4251/wjgo.v12.i10.1167
Figure 1
Figure 1 Receiver operating characteristic curves of serum markers. A: Human epididymis protein 4 (HE4), carcinoma embryonic antigen (CEA), alpha fetal protein (AFP), and carbohydrate antigen 19-9 (CA19-9) for the diagnosis of esophageal squamous cell carcinoma (ESCC); B: Combination of serum markers HE4, CEA, AFP, and CA19-9 for the diagnosis of ESCC. HE4: Human epididymis protein 4; CEA: Carcinoma embryonic antigen; AFP: Alpha fetal protein; CA19-9: Carbohydrate antigen 19-9.