Frontline Treatment of Follicular Lymphoma With AtezolizUmab and Obinutuzumab With and Without RadiOtherapy

"For intravenous infusion during:~Induction phase: Day 1, 8 and 15 of cycle 1 \& Day 1 of cycle 2-6 (q3/52); Maintenance phase: Day 1 of each cycle (q8/52) for up to 12 cycles."

For intravenous infusion during induction phase only day 1 of each cycle q3/52 for up to 6 cycles.

Involved site radiotherapy will only be administered to participants to achieve a PR/SD after at restaging after cycle 2, treatment will be between cycle 3 and 4 of induction treatment.