The doctors said the disease was "localized."
The pill was found to reduce tumors in more than 30% of patients.
The cancer death of retired SF firefighter Ken Jones following Blue Shield treatment denials sparked a fierce outcry, driving unions and city employees into a closed-door City Hall showdown with the insurer to demand immediate reform.
Firefighter Ken Jones died over the weekend, following what colleagues described as a prolonged struggle to secure treatment, after his care was denied by the city's designated insurance provider, Blue Shield. Jones' death is now fueling ongoing efforts by firefighters and advocates to push for systemic changes to ensure others do not face similar challenges.
The retired San Francisco firefighter at the center of a bitter insurance fight has lost his battle against stage 4 lung cancer, after pleading with Blue Shield to reverse their decision to deny treatment. He also spent his final months unsuccessfully appealing to San Francisco's Health Service Board to intervene.
The "Mandy" singer announced his cancer diagnosis in December.