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Methods

Patients with cervical squamous cell carcinoma treated with definitive radiotherapy using 3D-IGBT from 2009 through 2017 were retrospectively collected. The patients were stratified using the FIGO 2009 or 2018 criteria, and survival was analyzed by Kaplan-Meier methods.

Results

In 221 patients (median follow-up, 60 months), stage migration occurred in 52.9% of the patients. Patients classified with the 2018 criteria as stage IIICr had the highest proportion (43.8%) of migration, and were mainly from the 2009 stages IIB and IIIB. The 2009 and 2018 schemas showed comparable performance at stratifying 5-year overall survival (OS) and 5-year progression-free survival (PFS) for patients in stages IB–IVA. The 2018 criteria effectively stratified 5-year OS and PFS in the stage III substages. The 5-year OS and PFS for stage IIIC1r patients varied according to tumor T stage.

Conclusion

These results provide …