Metachronous occurrence of gastrointestinal stromal tumor and acute promyelocytic leukemia in a patient with ankylosing spondylitis: A case report. J Curr Biomed Rep [Internet]. 2022 Mar. 30 [cited 2026 Apr. 18];3(1):46-9. Available from: https://mail.jcbior.com/index.php/JCBioR/article/view/150