European Organization for the Research and Treatment of Cancer Quality of Life Questionnaire - Esophago-Gastric Cancer Phase IV Module Version 25 Items

**Semantic type:** Intellectual Product

**Definition:** A standardized 25-item questionnaire module developed by the European Organisation for Research and Treatment of Cancer (EORTC) in 2007 that is designed to supplement the EORTC QLQ-C30 core questionnaire in assessing quality of life in patients with tumors of the esophagus, esophago-gastric junction, or stomach. This module is derived from the QLQ-OES18 (esophageal) and QLQ-STO22 (stomach) modules.

**Synonyms:** - EOR21 - EORTC QLQ-OG25 PHASE IV MODULE - EORTC QLQ-OG25 Phase IV Module Version