Advances in para-aortic nodal dissection in gastric cancer surgery: A review of research progress over the last decade

Table 1 Analysis of clinicopathologic characteristics relevant to para-aortic lymph node metastasis

Ref.	Year	Article type	Clinicopathologic characteristics relevant to para-aortic lymph node metastasis
			Perigastric nodal status	Tumor site (located in the U)	Tumor size ≥ 5 cm	Depth of tumor invasion	N stage of N2 and N3	Macroscopic type Borrmann III/IV	Diffuse/mixed histology
Takashima et al[11]	2005	Review	—	Yes	—	Yes	—	—	—
Lee et al[54]	2006	Article	—	—	—	Yes	—	—	Yes
Nomura et al[24]	2007	Article	No. 7	—	Yes	—	Yes	—	Yes
Chen et al[42]	2009	Meta-analysis	No. 7, 8	—	—	Yes	—	—	—
Hu et al[44]	2009	Article	No. 8a, 9	—	—	—	—	—	—
Fujimura et al[34]	2009	Article	—	Yes	—	—	—	—	—
Tokunaga et al[31]	2010	Article	—	—	—	—	Yes	Yes	—
Roviello et al[21]	2010	Article	—	Yes	—	—	—	—	—
de Manzoni et al[28]	2011	Article	No. 1, 3, 7, 8a, 9	Yes	—	Yes	—	—	Yes
Wang et al[43]	2013	Article	No. 9	Yes	—	—	Yes	Yes	—
Zhou et al[42]	2013	Meta-analysis	No. 1, 3, 7, 9	Yes	Yes	Yes	Yes	Yes	Yes
Zhang et al[53]	2014	Article	—	—	—	Yes	Yes	—	—
Liang et al[45]	2016	Review	No. 9	Yes	—	—	Yes	Yes	—
Douridas et al[47]	2018	Mini review	—	Yes	Yes	Yes	—	Yes	Yes

U: the upper third of the stomach.