Unraveling a Thyroid Collision Tumor: A Rare Case of Concurrent Papillary and Follicular Carcinoma. OAIJMR [Internet]. 2025 Mar. 18 [cited 2026 Aug. 24];5(3):228-41. Available from: https://www.hmpublisher.com/index.php/OAIJMR/article/view/713