TX: Primary tumor cannot be assessed
T0: No evidence of primary tumor
Tis:Carcinoma in situ (limited to tubal mucosa)
T1: Tumor limited to the fallopian tube(s)
T1A: Tumor limited to one tube, without penetrating the serosal surface; no ascites
T1B: Tumor limited to both tubes, without penetrating the serosal surface; no ascites
T1C: Tumor limited to one or both tubes with extension onto or through the tubal
serosa, or with malignant cells in ascites or peritoneal washings
T2: Tumor involves one or both fallopian tubes with pelvic extension
T2A: Extension and/or metastasis to the uterus and/or ovaries
T2B: Extension to other pelvic structures
T2C: Pelvic extension with malignant cells in ascites or peritoneal washings
T3: Tumor involves one or both fallopian tubes, with peritoneal implants outside the
pelvis
T3A: Microscopic peritoneal metastasis outside the pelvis
T3B: Macroscopic peritoneal metastasis outside the pelvis 2 cm or less in greatest
dimension
T3C: Peritoneal metastasis outside the pelvis and more than 2 cm in diameter
* FIGO no longer includes Stage 0 (Tis)
Note: Liver capsule metastasis is T3/Stage III; liver parenchymal metastasis
M1/Stage IV. Pleural effusion must have positive cytology for M1/Stage IV.
REGIONAL LYMPH NODES (N)
NX: Regional lymph nodes cannot be assessed
N0: No regional lymph node metastasis
N1: Regional lymph node metastasis
DISTANT METASTASIS (M)
M0: No distant metastasis (no pathologic M0; use clinical M to complete stage group)
M1: Distant metastasis (excludes metastasis within the peritoneal cavity)
PATHOLOGIC STAGE GROUPING
GROUP T N M
0* Tis N0 M0
I T1 N0 M0
IA T1a N0 M0
IB T1b N0 M0
IC T1c N0 M0
II T2 N0 M0
IIA T2a N0 M0
IIB T2b N0 M0
IIC T2c N0 M0
III T3 N0 M0
IIIA T3a N0 M0
IIIB T3b N0 M0
IIIC T3c N0 M0-Any T N1 M0
IV Any T Any N M1
*FIGO no longer includes Stage 0 (Tis)
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