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ROCs of NGS and US. (A) The AUC of NGS was 0.865, while the AUC of US was 0.415. (B) In situations where NGS and US drew the same conclusion, the sensitivity of combined NGS and US was 92.6% and the specificity was 50%. The AUC of combined NGS and US was 0.712. ROC, receiver operator characteristic; NGS, next-generation sequencing; US, ultrasound; AUC, area under curve.
