Fig. 2

Histopathological findings of the surgical specimen. (A) The tumor was well circumscribed, with a thin fibrous capsule encasing most areas. (B) Localized invasion into the surrounding skeletal muscle tissue. (C) The tumor predominantly comprised uniform short spindle to ovoid cells with hyaline or eosinophilic cytoplasm. (D) Some areas exhibited microcystic morphology, with an absence of cellular atypia. (E) Regions containing blood sinusoid-like structures. (F) Collagenized regions within the tumor