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. 2022 Mar 30;13(5):e00487. doi: 10.14309/ctg.0000000000000487

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© 2022 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of The American College of Gastroenterology

This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal.

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Figure 4. — Diagnostic performance of EUS-FNA, CA19-9, ctDNA, and FNA specimen KRAS mutation detection either alone or in combination for distinguishing patients with pancreatic cancer (n = 105) from control patients (n = 44). KRAS mutation was determined using ddPCR. ROC curves: X-axis, 1-specificity; Y-axis, sensitivity. CA19-9, carbohydrate antigen 19-9; ctDNA, circulating tumor DNA; ddPCR, digital droplet PCR; EUS-FNA, endoscopic ultrasound-guided fine-needle aspiration; AUC, area under the curve.