Capturing "source" and "evolution": A 5-year recurrence risk prediction model for nasopharyngeal carcinoma based on integrated radiomic spatial heterogeneity of primary tumor and lymph nodes. - Wang C; Wang W; Zong D; Ding M; Han L; Zhang J; Hu S; Cao X; Ge Y; Zhu C; He X (Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology, 2026)