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Predictive ability of SII, the NLR, and the PLR for survival in radically resected PSC patients. The sensitivity and specificity values of the three variables were compared by ROC curves. PSC, pulmonary sarcomatoid carcinoma; ROC, receiver operating characteristic; OS, overall survival; DFS, disease-free survival; SII, systemic inflammation-immune index; NLR, neutrophil-to-lymphocyte ratio; PLR, platelet-lymphocyte ratio; AUC, area under curve.
