European Organization for the Research and Treatment of Cancer Quality of Life Questionnaire - Breast Cancer 42 Items

**Semantic type:** Intellectual Product

**Definition:** A standardized 42-item questionnaire module, published by the European Organisation for Research and Treatment of Cancer (EORTC) in 2020 as an updated version of the EORTC QLQ-BR23 published in 1996, that is designed to supplement the EORTC QLQ-C30 core questionnaire in assessing quality of life in patients with breast cancer.

**Synonyms:** - EOR35 - EORTC QLQ-BR42 - EORTC QLQ-BR42