Diagnostic performance of [68Ga]Ga-FAPI-04 PET vs. [18F]FDG PET in detecting lymph node metastasis in digestive system cancers: a head-to-head comparative meta-analysis - Li, Huo; Li, Zhognzhuan; Qin, Jing; Huang, Shijiang; Qin, Shufen; Chen, Zhixin; Ouyang, Rong (Frontiers in Medicine, 2025)