Simultaneous robot-assisted approach in a super-elderly patient with urothelial carcinoma and synchronous contralateral renal cell carcinoma: A case report

Figure 1 Computed tomography. Pre-operative computed tomography showed proximal segmental enhancing mass with eccentric left ureteral wall thickness. suggestive of urothelial tumor. A: Axial; B: Coronal. In the upper pole of the right kidney, a 3 cm-sized enhancing mass was identified. Suspected of renal cell carcinoma. No direct invasion was identified; C: Axial; D: Coronal.