India, Aug. 23 -- Loni Anderson, best known for her role as Jennifer Marlowe on the hit CBS sitcom WKRP in Cincinnati, died at the age of 79. According to a death certificate obtained by TMZ, her cause of death was metastatic uterine leiomyosarcoma, a rare and aggressive form of cancer.

The beloved actress passed away on August 3, just two days before her 80th birthday. Her remains were cremated and laid to rest in Hollywood on August 7.

Uterine leiomyosarcoma is a rare cancer that begins in the smooth muscle tissue of the uterus. According to the National Organization for Rare Disorders (NORD), it can spread to other parts of the body, most commonly the lungs and liver, often leading to life-threatening complications.

Loni Anderson ro...