Fig. 4

Stable disease, a 70-year old male patient with metastatic renal cell cancer under treatment with nivolumab (anti-PD-1 monoclonal antibody). a Axial CT image shows right paraaortic conglomerated mass like pathological lymph nodes measured 61.4 mm in diameter. b In the control CT examination performed even after one year, the size of the conglomerated mass like pathological lymph nodes were stable and measured 65.4 mm in diameter