The proportion of adenocarcinoma increased significantly from 82.1% to 85.6%, whereas mucinous adenocarcinoma decreased from 15.2% to 10.4%. Decreased rate in cancers of esophagus/stomach and nasopharynx The WSMRs of esophageal cancer showed a decreasing trend in three national death surveys from 23.20 in 1973–1975 to 13.73 in 2004–2004 20 .
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Epidemic trend, screening, and early detection and treatment of cancer in Chinese population.
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