Figure 1. Receiver operating characteristic curves of preoperative diagnostic methods including circulating tumor cell (CTC) detection in the differential diagnosis of adnexal mass.

(A) Benign vs. all stage cancer (n = 74). (B) Benign vs. stage I–II cancer (n = 53). (C) Benign vs. stage I cancer (n = 49). AUC, area under the curve; CA-125, cancer antigen-125; CT, computed tomography; RMI, risk of malignancy index; ROMA, risk of ovarian malignancy algorithm.