Combining Clinical Variables with 18F-FDG-PET/CT Metrics Enhances Overall Survival Prediction in Gastric Cancer. - Tatoğlu, Mehmet Tarık; Acarbay, Aydın; İbişoğlu, Ebru; Yıldırım, Ayşe Nur Toksöz; Tatoğlu, Ferda Yerdelen; Uslu, Hatice; Özülker, Filiz (Gazi Medical Journal, 2026)