“…Fourteen studies presented data such that the patients analysed in this review were entirely early stage (stage I, II or IIIA), newly diagnosed and non-DCIS, 44,75,76,80,[83][84][85][86][87][88][89]92,94,97 while the remaining 12 studies comprised up to 20% of patients who did not meet these criteria. 73,74,[77][78][79]81,82,90,91,93,95,96 Eight studies consisted entirely of patients who were clinically node negative, 73,76,79,81,83,84,87,88 13 studies included a mixture of node-negative and node-positive patients, 44,74,77,78,80,85,86,[91][92][93][94]96,97 and in five studies nodal status was not reported. 75,...…”