According to the current FIGO classification of early cervical carcinoma, Stage IA2 is defined by which combination of measurements?
- A Stromal invasion more than 3 mm and up to 5 mm, horizontal spread up to 7 mm ✓
- B Stromal invasion 1 to 3 mm, horizontal spread up to 7 mm
- C Stromal invasion up to 5 mm, horizontal spread more than 7 mm
- D Stromal invasion more than 5 mm and up to 7 mm, any horizontal extent
Correct answer: A. Stromal invasion more than 3 mm and up to 5 mm, horizontal spread up to 7 mm
Explanation
FIGO defines Stage IA1 as invasion up to 3 mm and Stage IA2 as invasion greater than 3 mm but not exceeding 5 mm, both limited to a horizontal spread of 7 mm or less. Invasion beyond 5 mm constitutes grossly occult Stage IB disease regardless of lesion size. Option B describes IA1 exactly, and option D exceeds the depth limit that separates microscopic from clinically measurable early-stage disease.
Reference: Berek and Novak's Gynecology, 16th ed.
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