title: Four subtypes of gastric cancer identified.
mesh_terms: D000230:Adenocarcinoma / Q000145:classification* / Q000235:genetics*; D005260:Female; D015894:Genome, Human / Q000235:genetics*; D006801:Humans; D008297:Male; D013274:Stomach Neoplasms / Q000145:classification* / Q000235:genetics*