New cell-free DNA assays hold promise for lung cancer screening

A set of blood-based assays that search for abnormalities in cell-free DNA show moderately good sensitivity for detecting early-stage lung cancer. Also today, the FDA approves rituximab for the treatment of pemphigus vulgaris (prescribing information), obstructive sleep apnea with worsening hypoxemia raises metabolic syndrome risk, and the Department of Justice won’t defend the Affordable Care Act from a lawsuit. Listen to the MDedge Daily News podcast for all the details on today’s top news.