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. 2004 Mar 30;90(8):1486–1491. doi: 10.1038/sj.bjc.6601742

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Copyright © 2004 Cancer Research UK

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Prognostic group according to age in patients treated surgically for breast cancer. Graph shows percentage of patients in both age groups who were treated with surgery, including some form of axillary surgery for those with invasive carcinoma. These data exclude those in whom axillary staging was omitted or inadequate. DCIS: ductal carcinoma in situ. Nottingham Prognostic Index is the sum of the grade (1–3), the nodal status (no nodal disease=1, up to three nodes involved=2, four or more nodes involved=3) and the size of the tumour in cm divided by 5). The higher the score, the worse the prognosis.