10 lymph nodes). METHODS: The clinical records of 216 patients with advanced proximal gastric cancer and No. 10 lymph node metastasis who underwent D2 curative resection were retrospectively analyzed.

Like lymph nodes, the structures have infection-fighting immune B cells in the middle and tumor-killing immune T cells on the outside. "We wanted to learn what these structures are doing." ...

Intraoperative frozen biopsy and sentinel lymph nodes technique have not shown sufficient accuracy to avoid extended lymphadenectomy, due to the significant rates of skip lymphatic metastasis.