A Study to Evaluate the Safety and Effectiveness of Avelumab in Combination
With Chemotherapy for the Treatment of Advanced Cancer.  A Multicenter, Open-Label, Phase 1b/2 Study to Evaluate Safety and Efficacy of Avelumab (MSB0010718C) in Combination With Chemotherapy With or Without Other Anti-Cancer Immunotherapies as First-Line Treatment in Patients With Advanced Malignancies.