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Table 37.1. FIGO staging of endometrial cancer. |
|
Stagea |
|
Definition |
|
IA |
Grade 1,2,3 |
Carcinoma confined to the endometrium |
|
IB |
Grade 1,2,3 |
Invasion of less than one-half myometrial thickness |
|
IC |
Grade 1,2,3 |
Invasion of equal to or more than one-half myometrial thickness |
|
IIA |
Grade 1,2,3 |
Spread to endocervical glands |
|
IIB |
Grade 1,2,3 |
Invasion of cervical stroma |
|
IIIA |
Grade 1,2,3 |
Invasion of serosa and/or adnexa and/or positive peritoneal cytology |
|
IIIB |
Grade 1,2,3 |
Vaginal metastases |
|
IIIC |
Grade 1,2,3 |
Pelvic and/or para-aortic lymph node involvement |
|
IVA |
Grade 1,2,3 |
Invasion of bowel and/or bladder mucosa |
|
IVB |
Grade 1,2,3 |
Distant metastases including spread to abdominal viscera or inguinal lymph nodes |
|
FIGO, International Federation of Gynecology and Obstetrics. |
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a Grade 1, 5% of less of a nonsquamous or nonmorular solid growth pattern; grade 2, 6%-50% of a nonsquamous or nonmorular solid growth pattern; grade 3, more than 50% of a nonsquamous or nonmorular solid growth pattern. |
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