4997
The aims of this study were to examine whether the EORTC ( European Organisation for Research and Treatment of Cancer ) QLQ - C30 core questionnaire alone could distinguish between two clinically different groups of patients and to design a module , which included relevant patient - defined gastric cancer - specific variables .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None