Background: A 72-year-old man was admitted with gross hematuria. Investigat
ions revealed bilateral renal pelvic tumors.
Methods/Results: Via a midline incision, left nephroureterectomy with bladd
er cuff resection was performed for the large left-sided tumor. The right s
mall solitary right-sided tumor was endoscopically resected simultaneously.
Histologically, both tumors were grade 2 transitional cell carcinomas with
out muscular invasion.
Conclusion: There has been no evidence of recurrence or metastasis 30 month
s postoperatively.