The numbers correspond to the lymph node station as defined in the Japanese Classification of Gastric Carcinoma.[1]
(A) The extent of lymphadenectomy after total gastrectomy.
(B) The extent of lymphadenectomy after distal gastrectomy.
(C) The extent of lymphadenectomy after pylorus-preserving gastrectomy.
(D) The extent of lymphadenectomy after proximal gastrectomy.