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    Ovarian Epithelial Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI] - Stage Information for Ovarian Epithelial Cancer

    Table 1. Carcinoma of the Ovarya

    Stage
    a Adapted from FIGO Committee on Gynecologic Oncology.[8]
    b In order to evaluate the impact on prognosis of the different criteria for allotting cases to stage Ic or IIc, it would be of value to know if rupture of the capsule was spontaneous, or caused by the surgeon; and if the source of malignant cells detected was peritoneal washings, or ascites.
    I Growth limited to the ovaries.
    Ia Growth limited to one ovary; no ascites present containing malignant cells. No tumor on the external surface; capsule intact.
    Ib Growth limited to both ovaries; no ascites present containing malignant cells. No tumor on the external surfaces; capsules intact.
    Icb Tumor either stage Ia or Ib, but with tumor on surface of one or both ovaries, or with capsule ruptured, or with ascites present containing malignant cells, or with positive peritoneal washings.
    II Growth involving one or both ovaries with pelvic extension.
    IIa Extension and/or metastases to the uterus and/or tubes.
    IIb Extension to other pelvic tissues.
    IIcb Tumor either stage IIa or IIb, but with tumor on surface of one or both ovaries, or with capsule(s) ruptured, or with ascites present containing malignant cells, or with positive peritoneal washings.
    III Tumor involving one or both ovaries with histologically confirmed peritoneal implants outside the pelvis and/or positive regional lymph nodes. Superficial liver metastases equals stage III. Tumor is limited to the true pelvis, but with histologically proven malignant extension to small bowel or omentum.
    IIIa Tumor grossly limited to the true pelvis, with negative nodes, but with histologically confirmed microscopic seeding of abdominal peritoneal surfaces, or histologic proven extension to small bowel or mesentery.
    IIIb Tumor of one or both ovaries with histologically confirmed implants, peritoneal metastasis of abdominal peritoneal surfaces, none exceeding 2 cm in diameter; nodes are negative.
    IIIc Peritoneal metastasis beyond the pelvis >2 cm in diameter and/or positive regional lymph nodes.
    IV Growth involving one or both ovaries with distant metastases. If pleural effusion is present, there must be positive cytology to allot a case to stage IV. Parenchymal liver metastasis equals stage IV.

    References:

    1. Hoskins WJ: Surgical staging and cytoreductive surgery of epithelial ovarian cancer. Cancer 71 (4 Suppl): 1534-40, 1993.
    2. Mogensen O: Prognostic value of CA 125 in advanced ovarian cancer. Gynecol Oncol 44 (3): 207-12, 1992.
    3. Högberg T, Kågedal B: Long-term follow-up of ovarian cancer with monthly determinations of serum CA 125. Gynecol Oncol 46 (2): 191-8, 1992.
    4. Rustin GJ, Nelstrop AE, Tuxen MK, et al.: Defining progression of ovarian carcinoma during follow-up according to CA 125: a North Thames Ovary Group Study. Ann Oncol 7 (4): 361-4, 1996.
    5. Makar AP, Kristensen GB, Børmer OP, et al.: CA 125 measured before second-look laparotomy is an independent prognostic factor for survival in patients with epithelial ovarian cancer. Gynecol Oncol 45 (3): 323-8, 1992.
    6. Berek JS, Knapp RC, Malkasian GD, et al.: CA 125 serum levels correlated with second-look operations among ovarian cancer patients. Obstet Gynecol 67 (5): 685-9, 1986.
    7. Atack DB, Nisker JA, Allen HH, et al.: CA 125 surveillance and second-look laparotomy in ovarian carcinoma. Am J Obstet Gynecol 154 (2): 287-9, 1986.
    8. FIGO Committee on Gynecologic Oncology: Current FIGO staging for cancer of the vagina, fallopian tube, ovary, and gestational trophoblastic neoplasia. Int J Gynaecol Obstet 105 (1): 3-4, 2009.
    9. Ovary and primary peritoneal carcinoma. In: Edge SB, Byrd DR, Compton CC, et al., eds.: AJCC Cancer Staging Manual. 7th ed. New York, NY: Springer, 2010, pp 419-28.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Public Information from the National Cancer Institute

    Last Updated: May 28, 2015
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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