Which of the following studies compared surgery alone versus surgery plus external-beam pelvic irradiation in patients with early-stage endometrial cancer and required all patients to undergo surgical staging with pelvic lymphadenectomy?

Which of the following studies compared surgery alone versus surgery p

1.	Which of the following studies compared surgery alone versus surgery plus external-beam pelvic irradiation in patients with early-stage endometrial cancer and required all patients to undergo surgical staging with pelvic lymphadenectomy?
A.	GOG 99 (Keys)
B.	GOG 33 (Morrow)
C.	PORTEC (Creutzberg)
D.	Norwegian (Aalders)
Answer» B. GOG 33 (Morrow)

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Which of the following studies compared surgery alone versus surgery plus external-beam pelvic irradiation in patients with early-stage endometrial cancer and required all patients to undergo surgical staging with pelvic lymphadenectomy?

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