RecruitingPhase 3Drug trialA Rollover Study for Participants Previously Enrolled in a Genentech and/or F. Hoffman-La Roche Sponsored StudyThe purpose of this extension study is to provide continued treatment with Roche investigational medicinal product (IMP\[s\]) monotherapy or Roche IMP(s) combined with other agent(s) or comparator agent(s) for eligible participants with cancer who are still on study treatment at the time of roll-over from the parent study and who do not have access to the study treatment locally.