A prospective phase I study of hypo-fractionated neoadjuvant radiotherapy for locally advanced gastric cancer

BMC Cancer

Table 1 Post-operative radiation elective lymph node regions

Primary tumor segment	Elective lymph nodes regions
Siewert II/III or proximal gastric cancer	7,8,9,11p,16a2,16b1^b
Middle or distal gastric cancer	7,8,9,11p,12a,13,14^a,16a2,16b1^b

^aIf the lymph node metastases in LN station No.6, CTV should encompass LN station No.14
^bIf the lymph node metastases in LN station No.7–12, or stage N2/3, the lower border of CTV should encompass LN station No.16b1

ISSN: 1471-2407