YOU'LL GET CHILLS! CAUSE OF DEATH REVEALED! Her heart shifted to the right side, and due to cancer in THIS place, the actress died tragically!
The cause of Catherine O'Hara's death was revealed a few days after the news of her passing shocked Hollywood. O'Hara, best known for her roles in the holiday classic "Home Alone" and the TV series "Schitt’s Creek," died at the age of 71 on January 30.

TL;DR
- Catherine O'Hara died at the age of 71 on January 30.
- The cause of death was a blood clot in her lungs (pulmonary embolism).
- Rectal cancer was identified as the underlying cause of death.
- O'Hara was previously diagnosed with dextrocardia with situs inversus, a condition where the heart is on the right side.
- Her family had described her illness as 'short.'
- She was last seen publicly on October 16 at the 'Angel Awards' ceremony.