The star died on January 30 at a Los Angeles hospital, with a blood clot in her lungs identified as the immediate cause.

Catherine O'Hara died from a pulmonary embolism, but her death certificate also revealed she was diagnosed with rectal cancer ...

Catherine O'Hara's cause of death has been confirmed more than a week after the award-winning actress died at 71 on Jan. 30.

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Catherine O'Hara's cause of death has been revealed. The actress died of a pulmonary embolism, according to her death certificate released Monday by the Los Angeles County Medical Examiner's Office. O ...

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