From: Risk factor analysis of intravesical recurrence after retroperitoneoscopic nephroureterectomy for upper tract urothelial carcinoma
n = 18 (%)
Multifocality
Single
14 (77.8)
Multiple
4 (22.2)
Tumor location
Scar site
11 (61.1)
Bladder neck
5 (27.8)
Lateral wall
Dome
1 (5.5)
Posterior wall