MKI67 and metastatic malignant neoplasm in the lymph nodes: Using PFS as the study endpoint, KM univariate analysis showed that gender, TNM staging, pathology, smoking history, treatment modality, distant metastasis, Ki-67, lymph node metastasis, SUVmax, MTV, TLG, and Rad-score were factors influencing the PFS of patients (all P < 0.05).