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

Table 1. Carcinoma of the Vulvaa continued...

Grade is reported in registry systems. A two-, three-, or four-grade system may be used. If not specified, the following system is generally used:[1]

  • GX: Grade cannot be assessed.
  • G1: Well differentiated.
  • G2: Moderately differentiated.
  • G3: Poorly differentiated.
  • G4: Undifferentiated.


  1. Vulva. In: Edge SB, Byrd DR, Compton CC, et al., eds.: AJCC Cancer Staging Manual. 7th ed. New York, NY: Springer, 2010, pp 379-81.
  2. Pecorelli S: Revised FIGO staging for carcinoma of the vulva, cervix, and endometrium. Int J Gynaecol Obstet 105 (2): 103-4, 2009.
  3. Hopkins MP, Reid GC, Johnston CM, et al.: A comparison of staging systems for squamous cell carcinoma of the vulva. Gynecol Oncol 47 (1): 34-7, 1992.

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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