Sir my father age 64 year and he have a solid cystic mass on mid pole of left
kidney since 4 years. In 2014 the size of cyst was 3.5 x 3.5 and now 2017 the size is 4.5 x4. 5. But no symptoms are found in my father. He live in normal way. His
creatinine is about 2.4 since 10 years and still creatinine is 2.4. It is constant. Please suggest