Dr. Sheetal Kircher with Lurie Cancer Center says some signs of a pulmonary embolism include fatigue and shortness of breath.

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, according to the actress's death certificate, which was obtained by USA ...

Catherine O'Hara died from a pulmonary embolism, with cancer as the underlying cause, according to a Los Angeles County death ...

Catherine O'Hara, known for her roles in "Home Alone," "Schitt's Creek" and "Beetlejuice," died on Jan. 30 at the age of 71.

A death certificate released on Monday also said rectal cancer was an underlying cause for the comedic actress’s death on Jan ...

Catherine O'Hara died of a pulmonary embolism or blood clot in her lungs, according to media outlets that saw her death ...

Catherine O’Hara died from a pulmonary embolism, with cancer as the underlying cause.

New details emerge on Catherine O'Hara's private cancer battle and cause of death. Plus, SAG-AFTRA reopens contract talks.

Catherine O’Hara’s death at 71 sent shock waves throughout Hollywood. The comedic actor has been remembered by former “The ...

A pulmonary embolism tied to colorectal cancer killed Catherine O’Hara. Here’s how common the event is among cancer patients ...

Catherine O’Hara died at age 71 from a pulmonary embolism, with cancer as the underlying cause. A Los Angeles County death ...