Managing Breast Cancer Treatment: Dyad's Perspectives on Treatment Decision, Financial and Family Burden.

This study utilizes a cross-sectional survey and qualitative research design. Data collection includes questionnaire surveys and recorded qualitative interviews. A total of 224 patients or family members who meet the criteria will be invited to participate in the study at oncology units and outpatient clinics. Among them, 30 subjects, either patients or family caregivers will be invited to explore their experience on and concerns about financial burden and treatment decision making as facing breast cancer.