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.

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

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 ...

Research suggests having cancer makes you four to seven times more likely to develop a blood clot in a deep vein that can ...

A pulmonary embolism is a blood clot that blocks blood flow to an artery in the lung.