Acute Side effects and health care requirements in breast cancer patients treated with radiotherapy.

Objectives: To identify the unmet needs of breast cancer patients undergoing radiotherapy METHODS: A pretest-posttest single-group experimental design, a variation of the experimental research approach, was employed in this investigation. The study's sample consisted of 28 breast cancer patients undergoing radiotherapy at the radiation oncology clinic of a training and research hospital between November 2021 and April 2022. The sample size was determined using G*Power 3.