Records the total number of fractions (treatment sessions) delivered to the patient in the third phase of radiation during the first course of treatment. This data item is required for CoC-accredited facilities for cases diagnosed as of 01/01/2018.

Radiation therapy is delivered in one or more phases with each phase spread out over a number of fractions (treatment sessions). It is necessary to capture information describing the number of fraction(s) to evaluate patterns of radiation oncology care.

000	No radiation treatment
001-998	Number of fractions administered to the patient during the third phase of radiation therapy.
999	Phase III Radiation therapy was administered, but the number of fractions is unknown; It is unknown whether radiation therapy was administered.

Blanks allowed if no Phase III radiation treatment administered.