Describing cancer stage is one of the most important elements of oncological practice. Clinical research and clinical care depend on an accurate assessment of cancer stage and prognostic factors. The TNM Classification of Malignant Tumours serves as the globally recognised standard reference for describing cancer stage and assessing treatment results. Now fully updated to reflect the results of the latest clinical research, it is indispensable for all clinicians, cancer registrars and researchers who work with malignant tumours. Prev. ed.: 2016.