As, Dr. Bill Lipsky noted in his 2022 remembrance for the San Francisco Bay Times, Campbell had been diagnosed with Kaposi's sarcoma (KS) the previous October, becoming just the 16th person in the city to be diagnosed with the rare form of skin cancer that was suddenly popping up among young men. During those early days of the epidemic, before doctors identified HIV and AIDS, patients like Campbell were described as having "gay cancer."