The nomograph predicting the recurrence of Solid Pseudopapillary Neoplasm of the Pancreas: a study of the SEER database and a Chinese cohort. - Pei, Qidong; Chen, Junzong; Deng, Gang; Li, Dong; Tang, Yajun; Lai, Jiaming; Tang, Di (BMC Gastroenterology, 2025)