ALB and metastatic malignant neoplasm in the lymph nodes: Table 2 summarizes the relationship between the GNRI and characteristics of the study patients based on OS; GNRI was significantly correlated with age (p < 0.001), sex (p = 0.048), body mass index (BMI) (p < 0.001), albumin (p < 0.001), pulmonary disease (p = 0.026), ASA-PS score (p = 0.002), depth of tumor invasion (p < 0.001), lymph node metastasis (p < 0.001), lymphatic invasion (p < 0.001), and pathological stage (p < 0.001).