A death certificate for Loni Anderson, an American actress known for her role on the sitcom WKRP in Cincinnati , reveals the reason she passed away earlier this month.

According to a Los Angeles County Health Department document first obtained by TMZ , Anderson died from metastatic uterine leiomyosarcoma, “an extremely rare form of cancer” that typically originates in the uterus. At the time of her passing, a publicist stated she had suffered from a “prolonged illness.” She was 79 years old — just two days shy of 80.

Anderson was briefly married to actor Burt Reynolds; they adopted a son together, per an AP obituary:

“WKRP in Cincinnati” aired from 1978 to 1982 and was set in a flagging Ohio radio station trying to reinvent itself with rock music. The cast included Gary Sandy,

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