This is an authoritative, concise reference, prepared by 147 authors from 28 countries. It contains more than 800 colour photographs, numerous MRIs, ultrasound images, CT scans, charts and approximately 2000 references. Diagnostic criteria, pathological features and associated genetic alterations are described in a strictly disease-oriented manner. Sections on all recognized neoplasms and their variants include new ICD-O codes, incidence, age and sex distribution, location, clinical signs and symptoms, pathology, genetics and predictive factors.