Endometrial cancer with invasion confined to the inner half of the myometrium, no cervical stromal involvement, and no nodal or distant metastasis is classified as FIGO stage:
- A IA ✓
- B IB
- C II
- D IIIA
Correct answer: A. IA
Explanation
FIGO 2009 staging for endometrial cancer: Stage IA = tumor limited to endometrium or invasion to less than half the myometrium; Stage IB = invasion equal to or more than half the myometrium, both confined to the uterine corpus. Cervical stromal involvement is Stage II. Adnexal or serosal spread is Stage IIIA. This patient with inner half invasion and no other spread is Stage IA.
Reference: Shaw's Textbook of Gynaecology, 17th ed.
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