NEW YORK When colorectal cancer surgery is done at National Cancer Institute designated centers, patients have half the postoperative mortality risk of those with similar procedures elsewhere, researchers reported here.

BETHESDA, Md. The American College of Gastroenterology has issued new guidelines for the diagnosis, surveillance, and treatment of Barrett's esophagus in adults, spurred by advances over the past four years.

ROCHESTER, Minn. Self expanding plastic stents used to treat benign esophageal disease do not result in long term alleviation of symptoms, researchers here said.

ORLANDO Infection with hepatitis C did not affect response to sorafenib Nexavar used to treat liver cancer, researchers said here.

LITTLE FALLS, N.J. Patients suffering from depression after coronary artery bypass graft surgery were more likely to get help from two types of nondrug therapy than from usual care, a randomized trial showed.