The International Society of Urological Pathology (ISUP) Grading System for Renal Cell Carcinoma and Other Prognostic Parameters

This clinical practice guideline provides recommendations on the classification, prognostic factors, staging, and molecular biology of adult renal tumours. Tumour morphotype, sarcomatoid and rhabdoid differentiation, tumour necrosis, tumour grading, and microscopic venous invasion are discussed.