Women are more likely to be diagnosed with breast cancer at a later stage of the disease's progression if they are uninsured or live in poor neighborhoods, research shows. The research team compared census data with information on 161,619 patients from cancer registries in several states. "In all these states, we looked at every woman ever diagnosed with late-stage breast cancer [age 40 and older] between 2004 and 2006," said Kevin Henry, an assistant professor of geography at the University of Utah.

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