Pancreatic solid pseudopapillary neoplasm, rare presentation in pediatric age group: two case reports - Alshawwa, Khaled; Njoum, Yumna; Abdul-Hafez, Hamza A.; Bannoura, Sami; Abukeshek, Tawfiq; Ashhab, Hazem; Abu-Zaydeh, Omar (Frontiers in Oncology, 2025)