RecruitingPhase 2Drug trialNivolumab for Treatment of Squamous Cell Carcinoma of the SkinTo determine the Objective Response Rate (ORR) of immunotherapy with Nivolumab (Group 1) and Nivolumab plus Relatlimab (Group 2) in patients with locally advanced/metastatic squamous cell carcinoma of the skin using Response Criteria in Solid Tumors Version 1.1 (RECIST1.1) per site assessment (Time Frame Group 2: From first dose up to 5 years)