1. American Cancer Society. Breast cancer prevention and early detection. Atlanta: American Cancer Society, Inc;2015.
2. Moon HJ, Kim EK. Characteristics of breast cancer detected by supplementary screening ultrasonography. Ultrasonography. 2015; 34:153–156.
Article
3. Wishart GC, Greenberg DC, Britton PD, Chou P, Brown CH, Purushotham AD, et al. Screen-detected vs symptomatic breast cancer: is improved survival due to stage migration alone? Br J Cancer. 2008; 98:1741–1744.
Article
4. Karanlik H, Ozgur I, Sahin D, Fayda M, Onder S, Yavuz E. Intraoperative ultrasound reduces the need for reexcision in breast-conserving surgery. World J Surg Oncol. 2015; 13:321.
Article
5. Early Breast Cancer Trialists' Collaborative Group (EBCTCG). Effects of chemotherapy and hormonal therapy for early breast cancer on recurrence and 15-year survival: an overview of the randomised trials. Lancet. 2005; 365:1687–1717.
6. Costantini M, Belli P, Bufi E, Asunis AM, Ferra E, Bitti GT. Association between sonographic appearances of breast cancers and their histopathologic features and biomarkers. J Clin Ultrasound. 2016; 44:26–33.
Article
7. Torres-Tabanera M, Cárdenas-Rebollo JM, Villar-Castaño P, Sánchez-Gómez SM, Cobo-Soler J, Montoro-Martos EE, et al. Analysis of the positive predictive value of the subcategories of BI-RADS® 4 lesions: preliminary results in 880 lesions. Radiologia. 2012; 54:520–531.
8. Hao SY, Ou B, Li LJ, Peng YL, Wang Y, Liu LS, et al. Could ultrasonic elastography help the diagnosis of breast cancer with the usage of sonographic BI-RADS classification? Eur J Radiol. 2015; 84:2492–2500.
Article
9. Du HY, Lin BR, Huang DP. Ultrasonographic findings of triple-negative breast cancer. Int J Clin Exp Med. 2015; 15:10040–10043.
10. Lee S, Jung Y, Bae Y. Synchronous BI-RADS category 3 lesions on preoperative ultrasonography in patients with breast cancer: is short-term follow-up appropriate? J Breast Cancer. 2015; 18:181–186.
Article
11. Yoo EY, Shin JH, Ko EY, Han BK, Cho EY, Nam SJ, et al. Detectability and clinicohistological characteristics of small (≤ 1 cm) invasive breast cancer. Eur J Radiol. 2013; 82:e556–e561.
12. Chen SC, Cheung YC, Su CH, Chen MF, Hwang TL, Hsueh S. Analysis of sonographic features for the differentiation of benign and malignant breast tumors of different sizes. Ultrasound Obstet Gynecol. 2004; 23:188–193.
Article
13. Korpraphong P, Tritanon O, Tangcharoensathien W, Angsusinha T, Chuthapisith S. Ultrasonographic characteristics of mammographically occult small breast cancer. J Breast Cancer. 2012; 15:344–349.
Article
14. American Joint Committee on Cancer (AJCC). AJCC cancer staging manual (part XI). 8th ed. Chicago: American College of Surgeons;2017. p. 599–600.
15. American College of Radiology. ACR BI-RADS ultrasound. ACR breast imagingreporting and data system, breast imaging atlas. 5th ed. Reston: American College of Radiology;2013.
16. Reiner A, Neumeister B, Spona J, Reiner G, Schemper M, Jakesz R. Immunocytochemical localization of estrogen and progesterone receptor and prognosis in human primary breast cancer. Cancer Res. 1990; 50:7057–7061.
17. Inwald EC, Klinkhammer-Schalke M, Hofstädter F, Zeman F, Koller M, Gerstenhauer M, et al. Ki-67 is a prognostic parameter in breast cancer patients: results of a large population-based cohort of a cancer registry. Breast Cancer Res Treat. 2013; 139:539–552.
Article
18. Aalders KC, Kuijer A, Straver ME, Slaets L, Litiere S, Viale G, et al. Characterisation of multifocal breast cancer using the 70-gene signature in clinical low-risk patients enrolled in the EORTC 10041/BIG 03-04 MINDACT trial. Eur J Cancer. 2017; 79:98–105.
Article
19. Lynch SP, Lei X, Chavez-MacGregor M, Hsu L, Meric-Bernstam F, Buchholz TA, et al. Multifocality and multicentricity in breast cancer and survival outcomes. Ann Oncol. 2012; 23:3063–3069.
Article
20. Gruber IV, Rueckert M, Kagan KO, Staebler A, Siegmann KC, Hartkopf A, et al. Measurement of tumour size with mammography, sonography and magnetic resonance imaging as compared to histological tumour size in primary breast cancer. BMC Cancer. 2013; 13:328.
Article