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This week, the top managed care stories included the FDA announcing a ban on flavored e-cigarettes; Google’s artificial intelligence system can find breast cancer as well as experts; new diabetes guidelines including 2 new drug classes to treat comorbidities.

Splenomegaly, or enlargement of the spleen, is common in patients with Philadelphia-negative myeloproliferative neoplasms, and it is associated with symptoms like early satiety and abdominal pain. The role that splenomegaly has in terms of quality of life and prognosis in primary myelofibrosis is fairly well understood, but it has been less frequently investigated among patients with essential thrombocythemia (ET) and polycythemia vera (PV).

A team at The University of Texas MD Anderson Cancer Center in Houston led by original pioneers in immuno-oncology have published a paper in Nature Medicine that discusses an immune-suppressing enzyme that was strongly present in glioblastoma but not in 5 other tumor types the team studied.

Thomas C. Corbridge, MD, FCCP, is a GSK medical expert and an emeritus physician and adjunct professor of medicine at Northwestern University, Feinberg School of Medicine in Chicago, Illinois. Dr. Corbridge received his medical degree from the University of Chicago Pritzker School of Medicine and has been in practice for over 30 years. Dr. Corbridge specializes in pulmonary and critical care medicine and is experienced in asthma, chronic obstructive pulmonary disease and general pulmonology.