Fig. 2From: Breast cancer: comparison of quantitative dual-layer spectral CT and axillary ultrasonography for preoperative diagnosis of metastatic axillary lymph nodesFlowchart showing the patient enrolment. A total of 29 sentinel lymph node biopsies were performed in 27 patients since two patients had bilateral breast cancer. ALND Axillary lymph node dissection, DLSCT Dual-layer spectral CT, US UltrasonographyBack to article page