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FIGO staging: ovarian, fallopian and peritoneal cancers. 2014

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Dr Anusha Rao P
Dr Anusha Rao P

This document outlines the FIGO staging criteria for cancer of the ovary, fallopian tube, and peritoneum. Stage I involves tumors limited to one or both ovaries or fallopian tubes. Stage II involves tumors that have extended to the pelvis. Stage III involves tumors that have spread to the peritoneum outside the pelvis or metastasized to retroperitoneal lymph nodes. Stage IV indicates distant metastasis to other organs. Each stage is further broken down into subcategories A, B, and C based on the extent and location of the cancer's spread.

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FIGO STAGING CRITERIA FOR CANCER OF THE OVARY, FALLOPIAN TUBE, AND PERITONEUM Stage I Tumor limited to the ovaries or fallopian tubes I A Tumor limited to one ovary (capsule intact) or fallopian tube No tumor on the external surface of the ovary or fallopian tube No malignant cells in ascites or peritoneal washings I B • Tumor limited to both ovaries (capsules intact) or fallopian tubes • No tumor on the external surface of the ovaries or fallopian tubes • No malignant cells in ascites or peritoneal washings I C Tumor limited to one or both ovaries or fallopian tubes, with any of the following: • Stage IC1: Surgical spill • Stage IC2: Capsule ruptured before surgery, or tumor on ovarian or fallopian tube surface • Stage IC3: Malignant cells in the ascites or peritoneal washings Stage II Tumor involves one or both ovaries or fallopian tubes, with pelvic extension (below pelvic brim) or primary peritoneal cancer. II A Extension and/or implants on the uterus and/or ovaries and/or fallopian tubes II B Extension to other pelvic intraperitoneal tissues Stage III Tumor involves one or both ovaries or fallopian tubes, or primary peritoneal cancer, with cytologically or histologically confirmed spread to the peritoneum outside the pelvis and/or metastasis to the retroperitoneal lymph nodes III A1 Positive (cytologically or histologically proven) retroperitoneal lymph nodes only Stage IIIA1(i) Metastasis up to 10 mm in greatest dimension Stage IIIA1(ii) Metastasis more than 10 mm in greatest dimension III A2 Microscopic extrapelvic (above the pelvic brim) peritoneal involvement with or without positive retroperitoneal lymph nodes III B Macroscopic peritoneal metastasis beyond the pelvis up to 2 cm in greatest dimension, with or without metastasis to the retroperitoneal lymph nodes III C Macroscopic peritoneal metastasis beyond the pelvis more than 2 cm in greatest dimension, with or without metastasis to the retroperitoneal lymph nodes. Stage IIIC includes extension of tumor to the capsule of liver and spleen without parenchymal involvement of either organ. Stage IV Distant metastasis, excluding peritoneal metastases IV A Pleural effusion with positive cytology IV B Parenchymal metastases and metastases to extra-abdominal organs (including inguinal lymph nodes and lymph nodes outside of the abdominal cavity)

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FIGO staging: ovarian, fallopian and peritoneal cancers. 2014

  • 1. FIGO STAGING CRITERIA FOR CANCER OF THE OVARY, FALLOPIAN TUBE, AND PERITONEUM Stage I Tumor limited to the ovaries or fallopian tubes I A Tumor limited to one ovary (capsule intact) or fallopian tube No tumor on the external surface of the ovary or fallopian tube No malignant cells in ascites or peritoneal washings I B • Tumor limited to both ovaries (capsules intact) or fallopian tubes • No tumor on the external surface of the ovaries or fallopian tubes • No malignant cells in ascites or peritoneal washings I C Tumor limited to one or both ovaries or fallopian tubes, with any of the following: • Stage IC1: Surgical spill • Stage IC2: Capsule ruptured before surgery, or tumor on ovarian or fallopian tube surface • Stage IC3: Malignant cells in the ascites or peritoneal washings Stage II Tumor involves one or both ovaries or fallopian tubes, with pelvic extension (below pelvic brim) or primary peritoneal cancer. II A Extension and/or implants on the uterus and/or ovaries and/or fallopian tubes II B Extension to other pelvic intraperitoneal tissues Stage III Tumor involves one or both ovaries or fallopian tubes, or primary peritoneal cancer, with cytologically or histologically confirmed spread to the peritoneum outside the pelvis and/or metastasis to the retroperitoneal lymph nodes III A1 Positive (cytologically or histologically proven) retroperitoneal lymph nodes only Stage IIIA1(i) Metastasis up to 10 mm in greatest dimension Stage IIIA1(ii) Metastasis more than 10 mm in greatest dimension III A2 Microscopic extrapelvic (above the pelvic brim) peritoneal involvement with or without positive retroperitoneal lymph nodes III B Macroscopic peritoneal metastasis beyond the pelvis up to 2 cm in greatest dimension, with or without metastasis to the retroperitoneal lymph nodes III C Macroscopic peritoneal metastasis beyond the pelvis more than 2 cm in greatest dimension, with or without metastasis to the retroperitoneal lymph nodes. Stage IIIC includes extension of tumor to the capsule of liver and spleen without parenchymal involvement of either organ. Stage IV Distant metastasis, excluding peritoneal metastases IV A Pleural effusion with positive cytology IV B Parenchymal metastases and metastases to extra-abdominal organs (including inguinal lymph nodes and lymph nodes outside of the abdominal cavity)