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Definition

The number of radiotherapy fractions or treatment sessions administered.

Radiotherapy is the treatment of disease by means of ionizing radiation.

Administration of the total dose of radiation is spread out over time and delivered to the patient in a number of even parts or treatment sessions (fractions). Although a treatment session may include several treatment portals delivered within a confined period of time, usually a few minutes, it is still considered one fraction.

References

American College of Surgeons 2002. Facility Oncology Registry Data Standards (FORDS), 2009 revision, Commission on Cancer page 163
This content Based on Australian Institute of Health and Welfare material. Attribution provided as required under the AIHW CC-BY licence.

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