Bill Nealon, M.D., professor of Surgery, associate Surgeon-in-Chief and associate executive Medical Director of Perioperative Services, is leaving Vanderbilt effective March 31. He’s been at Vanderbilt since 2009.

A specific gene expression profile represents a novel, biologically relevant “signature” for identifying colon cancers with high risk of metastatic recurrence, Vanderbilt researchers have found.

A new mouse model offers insight into the signaling pathways that control oral cancers – and a platform for testing anticancer therapeutics.

Early weight regain after gastric bypass surgery does not reverse metabolic improvements, and the "hunger hormone" ghrelin might indicate who is susceptible to weight regain.

Having a “leaky” gut may protect against colitis, a paradoxical finding that alters understanding of the role of cell permeability in intestinal homeostasis and immune regulation.

A protein kinase linked to inflammation and tumor development may be a good target for gastric cancer therapies.