LOS ANGELES - The cause of death for Loni Anderson, who starred in the 1980s show "WKRP in Cincinnati," has been revealed, according to reports.

Anderson died earlier this month, just days before her 80th birthday.

Loni Anderson cause of death

In a death certificate obtained by TMZ , Anderson's cause of death was confirmed to be metastatic uterine leiomyosarcoma, with no other contributing factors listed.

According to the National Organization for Rare Disorders , metastatic uterine leiomyosarcoma "is an extremely rare form of cancer" which starts in the uterus and can spread to other parts of the body, most notably "the lungs and liver often causing life-threatening complications."

Loni Anderson dies at 79

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Anderson died at a Los Angeles hospital following a

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