2021 Volume 36 Issue 4 Pages 220-225
Pathological diagnoses have a great influence on decision making for improved treatment of patients with neoplastic diseases. Classifications and diagnostic criteria, including the World Health Organization (WHO) classification, Armed Forces Institute of Pathology (AFIP) classification, Union for International Cancer Control (UICC) classification and others, are based on the experience and knowledge of many of our predecessors. International Collaborations on Cancer Reporting (ICCR) and the WHO reporting system of cytopathological diagnosis serve as movements for international standardization on how to deal with pathological diagnoses and evaluation in clinical practice. This paper focuses on the process of establishing international classifications and standards for pathological diagnosis, and as a process to reach that point, the importance of international networking of individuals and related academic societies.