Figure 13. Bladder carcinoma. (a) Virtual cystoscopy looking at the left wall of the bladder shows a 4 mm sized polyp (arrow) near the left ureteral orifice (white arrowhead), confirmed as transitional cell carcinoma. Black arrowhead=urethral orifice. (b) Conventional cystoscopic image depicts a polyp protruding into the bladder lumen.