European Organization for the Research and Treatment of Cancer Quality of Life Questionnaire - Colorectal Cancer Version 2.1 29 Items

**Semantic type:** Intellectual Product

**Definition:** An updated modular supplement to the European Organization for the Research and Treatment of Cancer Core Quality of Life Questionnaire (EORTC QLQ-C30) that was developed in 2007 and is used to assess quality of life in patients with colorectal cancer. The patient-report questionnaire utilizes a four point rating scale to assess symptoms or problems experienced over the last week.

**Synonyms:** - EOR06 - EORTC QLQ-CR29 V2.1 - EORTC QLQ-CR29 Version 2.1