fig1
![Utility of circulating tumor DNA for predicting prognosis in the management of resectable pancreatic cancer](https://image.oaes.cc/2c7238b1-366f-4d7b-9d3b-b2a133c12ada/5016.fig.1.jpg)
Figure 1. Flow chart of study selection constructed with Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines.
Figure 1. Flow chart of study selection constructed with Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines.
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