Background
clear cell renal cell carcinoma, renal cancer
CLEAR CELL RENAL CELL CARCINOMA, RENAL CANCER
Small (< 4 cm) clear cell renal cell carcinoma (ccRCC) is the most common type of small renal cancer and its prognosis is poor. However, conventional radiological characteristics obtained by computed tomography (CT) are not sufficient to predict the nuclear grade of small ccRCC before surgery.