tubulocystic renal cell carcinomapt3a renal cell carcinomatransitional cell carcinoma kidneysarcomatoid renal cell carcinomaadvanced renal cell carcinomarenal cell carcinoma pathologyrenal cell carcinoma ultrasoundbilateral renal cell carcinomamedullary renal cell carcinomarenal cellrcc renal cell carcinomapapillary renal cell carcinoma type 2