[Asymptomatic renal cell carcinoma incidentally detected by abdominal CT]

We reported two cases of renal cell carcinoma incidentally detected by abdominal CT during the evaluation of another clinical problem. They had no relevant symptoms of renal cell carcinoma. Case 1: The tumor was 32 X 33 X 34 mm. Histopathological diagnosis was clear cell subtype, tubular type greater than alveolar type, grade 1, INF alpha, pT2b, pV0, pNX, pM0. Case 2: The tumor was 20 X 20 X 16 mm. Histopathological diagnosis was clear cell subtype, alveolar type, grade 1, INF alpha, pT1, pV0, pNX, pM0.