1535 / 1851
PORTEC-3
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Criteria
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IB G3 with LVSI
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IC or IIA G3
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IIB
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IIIA* or IIIC (
*IIIA on cytology alone must be G3)
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IB, IC, II or III with serous or clear cell histology
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Increase in 5-year OS of 12.5% (expected OS for RT: 50%).
Target accrual = 500 over 5 years