FILE - A sign for the U.S. Food and Drug Administration is displayed outside their offices in Silver Spring, Md., Dec. 10, 2020. (AP Photo/Manuel Balce Ceneta, File)

U.S. health officials have approved a groundbreaking pancreatic cancer drug that offers a new approach to treating the deadly form of cancer, by blocking a protein that fuels tumor growth in the vast majority of cases.

(Image credit: Manuel Balce Ceneta)