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Primary tumor
- T1A
Tumor limited to one ovary, capsule intact
- T1B
Tumor limited to both ovaries, capsule intact
- T1C
Capsule ruptured or tumor on ovarian surface or cancer cells in the fluid from abdomen
- T2A
Extension to the pelvis and/or implants on the uterus and/or tubes
- T2B
Tumor extension to other pelvic tissues
- T2C
Pelvic extension with cancer cells in the abdominal fluid or peritoneum
- T3A
Involvement of peritoneal surface outside the pelvis (microscopic)
- T3B
Involvement of peritoneal surface outside the pelvis (visible by eye but size is 2 cm or less)
- T3C
Involvement of peritoneal surface outside the pelvis (size more than 2 cm)
Regional node involvement
- N0
No regional node involvement
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- N1
Regional nodes involved
Distant Metastasis
- M0
No distant metastasis
- M1
Distant metastasis excluding peritoneal metastasis
Staging
- Stage IA
T1A N0 M0
- Stage IB
T1B N0 M0
- Stage IC
T1C N0 M0
- Stage IIA
T2A N0 M0
- Stage IIB
T2B N0 M0
- Stage IIC
T2C N0 M0
- Stage IIIA
T3A N0 M0
- Stage IIIB
T3B N0 M0
- Stage IIIC
T3C N0 M0 or any T with N1 and M0
- Stage IV
Any T any N with M1
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