Figure 1From: Nipple aspiration and ductal lavage in women with a germline BRCA1 or BRCA2 mutationThe frequency of individual ducts lavaged on repeat visits per woman. The 'Total number of ducts' equals all ducts ever accessed on at least one previous occasion. 'Repeated ducts' equals ducts re-accessed on that specific visit. 'New ducts' equals a new duct not accessed on a previous visit.Back to article page