Pre-operative diagnosis: Left renal mass.

Procedure: Laparoscopic left radical nephrectomy.

Diagnosis: Histologic type:  Clear cell renal cell carcinoma. Tumor size: Tumor size:  4 x 3.6 x 1.5 cm. Histologic grade:  grade 1 (Fuhrman nuclear grade). Tumor focality: Unifocal. Macroscopic extent of tumor: Tumor limited to kidney. Sarcomatoid features: Not identified. Tumor necrosis:  Present. Microscopic tumor extension: Tumor limited to kidney. Margins: Uninvolved by invasive carcinoma. Lymphovascular invasion: Not identified.

Pathologic staging:  pT1a, pNx, pMx