| A rare neoplastic disease characterized by the presence of a benign or malignant, pelvic or abdominal tumor (other than ovarian fibroma or fibroma-like and localized outside of the ovaries, fallopian tubes, and broad ligaments) associated with hydrothorax and ascites that resolve after tumor resection. Patients usually present with dyspnea, pelvic mass with or without a tender, distended abdomen and/or weight loss. |