our results suggest that percutaneous operations can provide cure in selected patients , including those with a normal contralateral kidney and with small ( no more than 2-cm ) , single , low-grade , papillary tumors that are confined to the mucosa who , in addition , have negative cytology , negative random biopsies of contiguous mucosa , and no history of or concurrent transitional cell carcinoma elsewhere in the urinary tract .
C0026724
mucosa
C0852695
biopsies of