Perianal Rhabdomyosarcoma Mimicking Perianal Abscess: Case Report and Literature Review. - Shamohammadi, Mohammadsadra; Mohammadtaheri, Behnoush; Abbasi Garavand, Armaghan; Madankan, Ahmad; Mosavie, Seyed Hamzeh; Panahi, Mahshid (Case Reports in Oncology, 2026)