News of Catherine O’Hara’s rectal cancer brings hope of more awareness CTV News‘Shame and stigma’: News of Catherine O’Hara’s rectal cancer brings hope for more awareness CP24Catherine O’Hara died of blood clot in lung, says L.A. Medical Examiner’s Office CBCCatherine O’Hara’s death certificate reveals rectal cancer diagnosis. What to know. USA TodayCatherine the great: Despite living in L.A., O’Hara never stopped being a proud Canadian Yahoo News Canada