National Comprehensive Cancer Network/Functional Assessment of Cancer Therapy-Breast Cancer Symptom Index-16 Version 2 Questionnaire

**Semantic type:** Intellectual Product

**Definition:** A standardized 16-item rating scale for symptoms of breast cancer that is comprised of disease-related, treatment side effects, and general function and well-being subscales. Originally developed by Cella et al. in 2011, it is a modified version of the 8-item Functional Assessment of Cancer Therapy - Breast Cancer Symptom Index (FBSI), incorporating additional items from the Functional Assessment of Chronic Illness Therapy (FACIT) measurement system.

**Synonyms:** - FAC032 - NFBSI-16 V2 - NFBSI-16 Version 2