A New York congresswoman being treated for lung cancer has filed a lawsuit claiming exposure to asbestos as a young woman may have contributed to her disease. Rep. Carolyn McCarthy filed the lawsuit last month in state Supreme Court in Manhattan, said her attorney, Daniel Blouin. It names 70 companies that may have made or contained products that contained asbestos. McCarthy, 69, admits she has smoked cigarettes for most of her life, but Blouin said tobacco companies are not named in the lawsuit because cigarettes have carried health warning labels for several decades. "Nobody ever warned her about the dangers of asbestos," Blouin said. "The tobacco industry had the decency to put warnings on their products.