Australian-first study shows DCIS increases risk of invasive breast cancer (media release, Tuesday 9 March 2010) (AIHW)

Women diagnosed with ductal carcinoma in situ (DCIS) are at significantly increased risk of being diagnosed with a subsequent invasive breast cancer according to study findings released today by the Australian Institute of Health and Welfare (AIHW) and National Breast and Ovarian Cancer Centre (NBOCC). The study, Risk of invasive breast cancer in women diagnosed with ductal carcinoma in situ in Australia between 1995 and 2005 , provides the first Australian data on the risk of invasive breast cancer following a diagnosis of DCIS. While the risk of invasive breast cancer was higher for women diagnosed with DCIS, these women generally had relatively small invasive breast cancers and these cancers were less likely to have spread to the lymph nodes.

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