Fig. 3

Pathological specimens from both cases showing ectopic endometrial lesions on the surface of the diaphragm, accompanied by inflammatory granulation with hemosiderin-laden macrophages (a: Case 1/b: Case 2). Immunohistochemical staining of CD10 (c: Case 1) and estrogen receptors (d: Case 2) with a positive expression that confirms the histological nature of endometriosis