tokens: The patient cohort ( 14 men , 11 women ) was treated with SRL as conversion therapy , due to chronic allograft nephropathy ( CAN )( n = 15 ) neoplasia ( n = 8 ); Kaposi's sarcoma , Four skin cancers , One intestinal tumors , One renal cell carsinom ) or BK virus nephropathy ( n = 2 ). SRL was started at a mean of 78 +/- 42 ( 15 to 163 ) months after transplantation .