the following factors were found to contribute to survival rate of 5 years and longer in the patients with transplanted cadaver kidneys : patients ' age of 20 to 40 , a non-autoimmune nature of the underlying disease ( chronic pyelonephritis and renal polycystosis ) , hemodialysis treatment for not longer than 6 months , and 4-5 preoperative blood transfusions .
C0085697
chronic pyelonephritis
C0022646
renal