Hematopoietic stem cell transplantation (HSCT) is a common method for patients such as hematologic malignancies. However. HSCT generally has a higher risk of secondary solid cancer development. The aim of this study was to emphasize the need for lifelong follow-up of oral secondary solid cancer. https://www.spidertattooz.com/ZWO-ASI178MC-CMOS-Astrophotography-Camera/