I Get By… I'm Gonna Try with a Little Help from My Friends

List of Papers This thesis is based on the following papers, which are referred to in the text by their Roman numerals. Serial sectioning of breast cancer sentinel nodes does not significantly improve false negativity rate. Manuscript. on behalf of the Swedish Breast Cancer Group and the Swedish Society of Breast Surgeons. Axillary recurrence rate 5 years after negative sentinel node biopsy for breast cancer. Breast cancer survival in relation to the metastatic tumor burden in axillary lymph nodes. Prediction of non-sentinel lymph node metastases: evaluation of the Tenon score. Abbreviations ALND Axillary lymph node dissection cALND Completion axillary lymph node dissection AUC Area under the curve CSC Cancer stem cell EMT Epithelial to mesenchymal transition FNR False negative rate HE Haematoxylin and eosin IHC Immunohistochemistry ITC Isolated tumour cells MET Mesenchymal to epithelial transition OS Overall survival ROC Receiver operating characteristics SLN Sentinel lymph node SLNB Sentinel lymph node biopsy 11 Introduction