CHICAGO (WLS) -- Closing arguments are happening Thursday in the first case against Sterigenics to go to trial.
Susan Kamuda is suing the Willowbrook company, claiming emissions from its plant caused her breast cancer and her son's non-Hodgkin's lymphoma.
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Kamuda has said she does not have any history of cancer in her family and didn't know Sterigenics was releasing the chemical.
Sterigenics accused of paying investors millions to avoid paying victims affected by pollution
Lawyers for the company argue that there is no scientific evidence to support that.
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However, the facility was permanently closed in 2019.
Sterigenics' Willlowbrook facility will permanently close, company announces
The company is facing hundreds of lawsuits.