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L0ft: fVP (left) demon »tret«% a dupfcc eted Ml cottectmg system Ibe ifrow mdotei the unopacrfied upper pole fenal ae^nenł fUght 1 ht dugr»ni lkji(nł«i the 3 atnorra^ibti ol the Ml kdnty: (1) alered rttul K€«i»: (2) de<reated number ol c atycee and (3) rKreaeed di stance from the yertebral (Obmn