Ovarian-adnexal reporting and data system ultrasound evaluation and pathological characteristics of ovarian collision tumor

Figure 1 Ultrasound images and surgical images of borderline or focal borderline ovarian collision tumors. A: Bilateral ovarian collision tumor, serous cystadenoma with fibroma, vegetable pattern can be seen outside the left cyst wall (classified as type 3 ultrasound phenotype); B: Direct view of serous cystadenoma with fibroma surgery.