The cause of death for 'WKRP in Cincinnati' star Loni Anderson has been revealed. She died at age 79 on Aug. 3, just days before her 80th birthday.

Loni Anderson’s cause of death was confirmed as metastatic uterine leiomyosarcoma, a rare and aggressive form of cancer that starts in the uterus and often spreads to the lungs and liver. Anderson is survived by her husband Bob Flick, two children, and several grandchildren, and is remembered for both her television and film work.

Loni Anderson’s cause of death has been confirmed as a rare and aggressive form of uterine cancer that occurs in just 6 out of 1 million women in the U.S. each year.