(November 15, 2016, 10:18 AM EST) -- PHILADELPHIA — Attorneys for a group of Pennsylvania residents and a power plant presented oral arguments before the Third Circuit U.S. Court of Appeals on Nov. 10, debating the causation of the residents’ injuries, including cancer, which the residents allege stem from exposure to radioactive materials emitted from the power plant. The plaintiffs’ attorney argued that qualitative differential diagnosis was a valid means of showing that the residents had been exposed to radiation, while attorneys for the company argued that the plaintiffs had failed to establish exposure (Michelle McMunn, et al. v. Babcock & Wilcox Power Generation Group Inc., et al, No. 15-3506 [consolidated], 3rd Cir.)....