Fig. 2.

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Fig. 2. Anterior mediastinal widening on routine follow-up chest X-ray after 38 months of allo-HSCT for AML (A). Contrast-enhanced computed tomography showed large enhancing homogeneous mass (8.1×5.6 cm) involving anterior mediastinum, pericardium, and mediastinal pleura (B). Mediastinal mass biopsy showed the leukemic cells of mediastinal mass revealed the CD117 positivity (C, original magnification ×200, CD117 immunohistochemical stain).
Clin Pediatr Hematol Oncol 2023;30:70-4
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