NEW ORLEANS - A unanimous Fifth Circuit U.S. Court of Appeals panel issued an opinion June 13 affirming the award of survivors benefits to the widow of a longshoreman who died from pulmonary artery disease caused by occupational exposure to lime dust and diesel fumes (M-I, et al. v. Director, Office of Workers' Compensation Programs, U.S. Department of Labor, No. 11-60694, 5th Cir.; 2012 U.S. App. LEXIS 11994).