Log odds of positive lymph nodes compared to positive lymph node ratio and number of positive lymph nodes in prognostic modeling for patients with NSCLC undergoing lobectomy or total pneumonectomy: a population-based study using Cox regression and XGBoost with SHAP analysis - Huang, Qiming; Chen, Shai; Li, Zhenjie; Wu, Longren; Yu, Dongliang; Xiong, Linmin (Frontiers in Surgery, 2025)