KLK3 and neoplasm: The tumor exhibits positivity for Vimentin, PR, and SMA, with negativity for PanCk, S100, Desmin, PSA, CK5/6, BCL2, MDM2, and Melan A. Additionally, the Ki-67 proliferation index is approximately 25 %, and CD34 highlights only the vascular walls without tumor cell positivity.