How is stage I ovarian cancer defined?

Updated: Aug 10, 2020
  • Author: Andrew E Green, MD; Chief Editor: Yukio Sonoda, MD  more...
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Answer

In stage I, growth is limited to the ovaries. Substages are as follows:

  • Stage IA - Tumor limited to 1 ovary, capsule intact, no tumor on external surface

  • Stage IB - Tumor involves both ovaries, capsule intact, no tumor on external surface

  • Stage IC - Tumor either stage IA or IB, plus surgical spill (IC1), capsule rupture before surgery or tumor on ovarian surface (IC2), or malignant cells in the ascites or peritoneal washings (IC3)


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