Why does Parastomal Hernia Occur in Facilities with Permanent End Sigmoid Colostomy Based on the Extraperitoneal Route? - Matsumi, Yuki; Hamada, Madoka; Sumiyama, Fusao; Kobayashi, Toshinori; Inada, Ryo; Ueno, Nozomi (International Journal of Abdominal Wall & Hernia Surgery, 2025)