OUTLINE: This is a randomized, controlled, parallel-group, open-label, multicenter study. Patients are stratified according to staging and response assessment (central vs local) and disease stage (IA/B or IIA [first-line treatment group 1] vs I_EA/B, II_EA, IIB, or IIIA [first-line treatment group 2] vs II_EB, III_E A/B, IIIB, or IVA/B [first-line treatment group 3]).