label: Paratesticular Endometrioid Tumor
label_lc: paratesticular endometrioid tumor
description: "A group of very rare tumors with endometrioid epithelial differentiation arising from the paratesticular structures. It includes benign tumors, borderline tumors (tumors with atypical epithelial proliferation), and malignant tumors (endometrioid adenocarcinomas)."