Figure 1.
Diagram showing the selection and flow of participants from each centre through the study. Axillary lymph node dissection (ALND), Contrast enhanced ultrasound (CEUS), Ductal Carcinoma in situ (DCIS), Isolated tumour cells (ITC), Lymph node (LN), Sentinel lymph node (SLN), Surgical sentinel lymph node biopsy (SLNB) and POSNOC (POsitive Sentinel NOde: adjuvant therapy alone versus adjuvant therapy plus Clearance or axillary radiotherapy. A randomized controlled trial of axillary treatment in females with early stage breast cancer who have metastases in one or two sentinel nodes).