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. 2024 May 25;52(5):03000605241253756. doi: 10.1177/03000605241253756

Figure 2.

Figure 2.

Pathological and immunohistochemical findings; (a–f) Biopsy-obtained pathological sections (×400) showing heterogeneous round and spindle-shaped cells in a mucus background. Positive staining for (b) CD34, (c) PR, (d) CDK4, (e) desmin, and (f) MDM2 is widespread among the tumor cells. Staining in panel (a): hematoxylin and eosin. CD34, cluster of differentiation 34; PR, progesterone receptor; CDK4, cyclin D-dependent kinase 4.