Correlations of 18F-FDG PET/CT metabolic parameters and systemic immune-inflammation index with distant metastasis of small-size (T1) NSCLC - Wang, Lihua; Liu, Liu; Ruan, Maomei; Chang, Cheng; Zhang, Aimi; Xie, Wenhui; Zhang, Bin (Quantitative Imaging in Medicine and Surgery, 2026)