Table 1.

Clinicopathological indexes.

Index	Item
General index	Sex, Age
Nutrition-related index	BMI, NRS2002, NLR, OPNI
Tumor-related index	Tumor stage (TNM), Size, Location, Ulcer depth, Number of metastatic lymph nodes, Cancer embolus, Nerve invasion, CAP grade
Pathology-related index	MLH1, MSH-2, MSH-6, PMS-2, AE1/AE3, Her-2, CDX-2, CgA, MUC1, MUC2, MUC5AC, IMP3, CK7, CK20, Calretinin, CEA, CD20, CD68, CD34, KI67, desmin, β-catenin, ERCC, D2-40, P16, Syn

AE1/AE3, anti-(pan) cytokeratin monoclonal antibodies; BMI, body mass index; CAP, College of American Pathology; CD, cluster of differentiation; CDX2: caudal-type homeobox transcription factor 2; CEA, carcinoembryonic antigen; CgA, chromogranin A; CK, cytokeratin; D2-40; lymphatic endothelial cell antibody; ERCC, excision repair cross-complementing; HER2, human epidermal growth factor receptor 2; IMP3, insulin-like growth factor 2 mRNA binding protein 3; Ki67, protein indicator of cell proliferation; MLH1, MLH1 mismatch repair protein; MSH2, MSH2 mismatch repair protein; MSH6, MSH6 mismatch repair protein; PMS2, PMS1 homolog mismatch repair protein; MUC, mucin; NLR, neutrophil–lymphocyte ratio; NRS2002, Nutritional Risk Screening 2002; OPNI, Onodera Prognostic Nutrition Index; p16, p16 tumor suppressor gene; Syn, synaptophysin.