International cłassificabon of młco-uretortc renu*
Grade Oegf«©fVUR
I Uretw orty
U Uwter. pełws. and catycet *xh no drtataton and wtfi nomal
cafyceaUomces
of thetomices
« Mooerate cfcrtaton an^w-tortwsdy of tne urter, and mooerate
diataOon & tne patat inci car^es.fcordete otetoawn of tr< pcMs and calyces. Com«Tinj6itefalion o< the Jharp an£es of tne fonwes but mamtenance of thc paptfaiy w«s*cns r tne majontyoftne cay%$ W<t 63.1Aci
V , • '''(fcMidWMon and wtuotay of tne laetw. c*k-*. and cafyces.
^^-Ibei^ajJaary ■npessons we no lon^er wstte m the maionty ofcaiyoMcńt 63.3)