The general rules for The gastric cancer study in surgery.
D005743:Gastrectomy / Q000145:classification; D006801:Humans; D008113:Liver Neoplasms; D008197:Lymph Node Excision; D008207:Lymphatic Metastasis; D009362:Neoplasm Metastasis; D010534:Peritoneal Neoplasms; D012107:Research Design; D013274:Stomach Neoplasms / Q000145:classification / Q000601:surgery