Fig. 2From: Metachronous ovarian endometrioid carcinomas in a patient with a PTEN variant: case report of incidentally detected Cowden syndromePathology of the right-ovarian tumor. a Hematoxylin and eosin (H&E) staining showing endometrioid carcinoma, grade 1 (Ćā40). Immunostaining of the tumor showing diffuse expression of estrogen receptor (Ćā100)(b) and PI3K (Ćā100)(c). d Null expression of PTEN in the tumor, contrasting with the positive expression in the interstitial cells and inflammatory cells (Ćā100)Back to article page