CRP and sarcopenia: The univariate analysis of the clinical and demographic characteristics for PFS identified male gender (HR 3.19), ECOG PS 2-3 (HR 2.04), smoking (HR 3.04), sarcopenia (HR 2.35), cranial metastasis (HR 2.20), liver metastasis (HR 2.92), and CRP > 6.5 mg/L (HR 2.46) as poor prognostic factors.