Radiotherapy as a primary treatment modality for a young man with a primary urethral plasmacytoma: case report and literature review - Lim, Soo How; Poh, Tian Er; Wee, Hong Chin; Awang Basry, Nur Shazwaniza Binti; Tajul Arifin, Mohd Syazwan Bin; Yong, Kar Ying (Frontiers in Oncology, 2025)