Summary: Featuring articles on oral peanut desensitization, probiotics for acute gastroenteritis in children, brigatinib in ALK-positive lung cancer, chemoimmunotherapy for squamous lung cancer, and a tug of war between bacterium and host; a review article on the central role of PI3K in cell signaling; a case report of a man with an incidentally discovered renal mass; and Perspective articles on new tools in the Ebola arsenal, on going beyond evidence-based medicine, on fulfilling states' duty to evaluate Medicaid waivers, and on Doctor Sahib.
