Tabitha M. Powledge writes about confusion over a new study on a type of breast cancer called ductal carcinoma in situ: "Most commentators thought the moral of the paper is the obvious one: DCIS is not dangerous for most women, and it is being overdiagnosed and overtreated. But about 1 in 5 women diagnosed with DCIS seem to be in more potential danger than the other 4 and are reasonable candidates for today’s standard aggressive therapy." Also, where did pigs come from?
September 5, 2015
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