Here is a benign serous cystadenoma that demonstrates multiloculation. Note that the inner surface is, for the most part, smooth, with only a solitary papillation at the upper right.

• 图示良性卵巢浆液囊腺瘤,呈多腔性。注意大部分内表面光滑,但右上部有一孤立的乳头状突起。