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Fig. 4 | Cancer Imaging

Fig. 4

From: Dual-energy spectral CT characteristics in surgically resected lung adenocarcinoma: comparison between Kirsten rat sarcoma viral oncogene mutations and epidermal growth factor receptor mutations

Fig. 4

Graph shows the receiver operating characteristic (ROC) curve for discrimination of patients with KRAS mutations from those with EGFR mutations at DESCT (CT number at 70 keV) including and not including smoking in solid lung adenocarcinoma. The area under curve (AUC) of CT number at 70 keV is 0.771 with the cutoff point of 38.47 HU. The AUC of combination of CT number at 70 keV and smoking is 0.841 with the cutoff point of 2.72

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