[Tumors of the kidney. The new 2016 WHO classification of tumors of the genitourinary system].

The article deals with the innovations available in the 2016 World Health Organization (WHO) classification of renal tumors, which has replaced the previous 2004 WHO classification. The review highlights the key aspects necessary for practicing histopathologists who work in specialized cancer centers or multidisciplinary hospitals diagnosing renal tumors. How to choose a system for determining the malignancy grade of renal tumors is considered separately.