Objectives: The objectives of the study are to assess changes in the quality of life amongst breast cancer patients undergoing treatment at a cancer institute in Colombia.
Materials And Methods: Analytical observational prospective cohort study in patients over 18 years of age diagnosed with breast cancer. Health-related quality of life (HRQoL) was analysed using the EQ-5D-3L questionnaire and a Visual Analogue Scale measured at diagnosis and after a 6-month follow-up.