Gastric carcinoma (GC) is one of the most common digestive cancers and ranked the 2nd most common cause of cancer-related death worldwide (Siegel, Miller, & Jemal, 2017; Sitarz et al., 2018). The incidence rate of GC differs geographically, with more than 40% of the worldwide annual cancer incidences in China (Zhu & Li, 2010). The incidence rate of GC has declined significantly and the overall survival rate of GC has been improved substantially due to the advances of diagnostic technologies and therapeutic strategies in past decades (Bertuccio et al., 2009; Stock & Otto, 2005). Very few symptoms of GC can be observed at early stage, but patients may experience indigestion, stomach pain, cancer-related fatigue, loss of appetite and weight loss at later stage (Zali, Rezaei-Tavirani,
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