Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2020 Oct 20;31(4):594–604. doi: 10.1136/ijgc-2020-001822

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© IGCS and ESGO 2021. Re-use permitted under CC BY. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution 4.0 Unported (CC BY 4.0) license, which permits others to copy, redistribute, remix, transform and build upon this work for any purpose, provided the original work is properly cited, a link to the licence is given, and indication of whether changes were made. See: https://creativecommons.org/licenses/by/4.0/.

PMC Copyright notice

Study design of the PORTEC-4a trial. Reproduced with permissionfrom 'Molecular-integrated risk profile to determine adjuvant radiotherapy in endometrial cancer: evaluation of the pilot phase of the PORTEC-4a trial' by Wortman et al.⁵⁸ CTNNB1, β-catenin; EBRT, external beam radiation therapy; HIR, high-intermediate risk; LVSI; lymphovascular space invasion; MMRd, mismatch repair deficiency.* High-intermediate risk endometrial cancer: stage IA (with invasion) and grade 3; stage IB, grade 1 or 2 with either age ≥60 or substantial lymphovascular space invasion; stage IB, grade 3 without lymphovascular space invasion; or stage II (microscopic) and grade 1.