Atezolizumab
DrugParticipants will receive 1200 milligrams (mg) of atezolizumab administered by intravenous infusion on Day 1 of every 3-week cycle until Investigator-assessed loss of clinical benefit, unacceptable toxicity, investigator or participant's decision to withdraw from therapy, or death (whichever occurs first).
Other names: RO5541267, Tecentriq