KIT and neoplasm: Histopathological examination revealed positive markers in tumor cells: PLAP (placental alkaline phosphatase), c-kit (Proto-Oncogene c-kit), CALLA (common acute lymphoblastic leukemia antigen), and varied reaction for CK AE1-3 (Cytokeratin AE1-3), with negative reactions for EMA (epithelial membrane antigen) and CD30.