This Week in JAMA

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In JAMA this week, researchers in Maryland and Minnesota present a study on the association between lymph node evaluation for colon cancer patients and node positivity over the past two decades. Among colon cancer patients, those with better survival are usually the ones with more lymph nodes evaluated, the team writes. Clinicians presume this is because a more extensive lymph node evaluation reduces the risk that something will be missed.

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Researchers examine the gap in funding between researchers and research institutions, ScienceInsider reports

By sequencing two ancient dog genomes, researchers from the US and Germany suggest that dogs were domesticated in a single event, the Washington Post reports.

In Genome Research this week: population dynamics of E. coli infection, lncRNA expression changes in macaque aging, and more.

Noninvasive prenatal testing can uncover pregnancies at risk of miscarriage, New Scientist reports.