This Week in Nature

In this week's Nature, an international group of scientists describes a machine learning-based method that uses DNA methylation signatures to classify central nervous system tumors. The classifier was developed using data from roughly 2,800 cancer patients and is able to identify 91 tumor types. When tested on more than 1,000 CNS tumors previously examined using standard methods, it identified misdiagnoses in 12 percent of the cases.

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