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. 2019 Nov 21;19(1):631–640. doi: 10.3892/ol.2019.11132

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Copyright: © Gan et al.

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited.

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Figure 2. — Kaplan-Meier survival analysis of RFS. Patients in the ≥55-age group had worse RFS rates compared with patients in the <55-age group. RFS, recurrence-free survival. The 1.00-censored indicates patients in the <55 age group and the 2.00-censored indicates patients in the ≥55 age group.