Meta-analysis of clinical trials on the impact of extended lymphadenectomy on the prognosis of patients submitted to gastrectomy for cancer: a critical review
A systematic review and meta-analysis of randomized clinical trials on the impact of extended lymphadenectomy D1, D2 and D3 over the morbidity, mortality, recurrence and 5-year survival.Is the current tendency of progressive extension of the surgical lymph nodes surgical clearance suported by the best available evidence?