Premalignant lesions and gastric adenocarcinoma may also arise. 2, 13, 14 Gastric cancer is ranked the fifth most common malignancy worldwide with an estimated 100,000 new cases per year. 15 Most cases are found in Asia, with over two-thirds occurring in the People’s Republic of China. 16 Gastric cancer is the third most common cause of cancer-related deaths, since initial diagnosis is usually at a late stage. 17, 18 It can be divided into two subtypes depending on the location: cardia (arising from the gastroesophageal junction) and noncardia (arising from the distal stomach).
Source: wiktionary