Evaluation of extended lymph node dissection for gastric cancer.
D005069:Evaluation Studies as Topic; D005500:Follow-Up Studies; D005743:Gastrectomy; D006801:Humans; D007564:Japan; D008197:Lymph Node Excision; D008207:Lymphatic Metastasis; D011379:Prognosis; D013274:Stomach Neoplasms / Q000401:mortality / Q000601:surgery*