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IACR Standards

The information generated by cancer registries has a wide variety of uses, in epidemiological research, in planning and evaluation of cancer control measures, and in monitoring some standards of clinical care. So that comparisons between different registries, countries, and over time can be made with confidence, it is essential that certain definitions, for collecitng, coding and presenting data, are comparable between registries.

The encouragement of such comparative studies is one of the objectives of IACR. Thus, to aid this process, the IACR has developed classifications (the successive editions of the International Classification of Diseases for Oncology, published by WHO), guidelines for registry practices and standard definitions.

As the guidelines available are produced or revised, they will be made available on this site.

INTERNATIONAL RULES FOR MULTIPLE PRIMARY CANCERS (ICD-O Third Edition)

BASIS OF DIAGNOSIS

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This website was developed and is hosted at the International Agency for Research on Cancer (IARC)
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