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. 2019 Jun 28;30(9):1472–1478. doi: 10.1093/annonc/mdz200

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© The Author(s) 2019. Published by Oxford University Press on behalf of the European Society for Medical Oncology. All rights reserved. For permissions, please email: journals.permissions@oup.com.

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Figure 2. — (A) Kaplan–Meier estimates of recurrence-free survival (RFS) for all assessable patients undergoing curative intent surgery for early pancreatic cancer, stratified by pre-operative ctDNA status: detectable (positive) versus undetectable (negative). (B) Kaplan–Meier estimate for overall survival (OS) for matched patients, stratified by pre-operative ctDNA status. (C) Kaplan–Meier estimates for RFS, stratified by postoperative ctDNA status. (D) Kaplan–Meier estimates for OS, stratified by post-operative ctDNA status. (E, F) Kaplan–Meier estimates for RFS (E) and OS (F) for patients’ whose ctDNA status changes from detectable (positive) pre-operatively to undetectable (negative) post-operatively compared with patients whose ctDNA status remains undetectable (negative) both pre- and post-operatively.