Gross features of the giant mucinous cystadenocarcinoma of the ovary. (A) Preoperative aspect of the massively enlarged abdomen with superficial venous congestion due to compressive effects of the ovarian mass. (B) Accentuated excess of skin and subcutaneous tissue observed after removal of the huge tumor. (C) Gross view of the bulky, multicystic tumor with a smooth external surface and vascular congestion. (D) The internal surface shows multiple rounded projections. (E and F) The sectioned surface reveals large multiloculated cysts containing watery and viscous mucoid material.