Catherine O'Hara's Death Certificate Reveals Cancer Cause

A death certificate released on Monday confirmed that actress Catherine O'Hara died from a pulmonary embolism with rectal cancer as the underlying cause.The 71-year-old star of "Schitt's Creek" passed away in a Santa Monica hospital on January 30 after experiencing sudden breathing difficulties.Tributes for the Canadian icon have come from Justin Trudeau, Eugene Levy, and Macaulay Culkin following the revelation of her year-long medical treatment.