CNA Insurance Companies v. Magnuson

Employer petitions for review of an order of the Workers’ Compensation Board holding that its retroactive denial of claimant’s previously accepted claim was improper. It argues that the Board erroneously interpreted and applied ORS 656.262(6). We affirm.

Claimant filed a claim for compensation in January, 1989, asserting that exposure to soldering fumes at work caused her to have respiratory problems. Two physicians, Sinclair and Montanaro, examined claimant. Neither physician could state, to a medical probability, that claimant’s work exposure was the major contributing cause of her…