Periosteal Ewing Sarcoma with Distant Metastases: Report of Two Patients and Review of the Literature - Pena-Burgos EM; Díez-Corral MC; Ortiz-Cruz EJ; Bernabéu D; Tapia-Viñe M; Redondo A; Pérez-Martínez A; Peláez A; Venegas Mascaró C; Escudero López A; Pozo-Kreilinger JJ (INTERNATIONAL JOURNAL OF SURGICAL PATHOLOGY, 2025)