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Copyright ©The Author(s) 2021.
World J Gastrointest Oncol. Oct 15, 2021; 13(10): 1453-1465
Published online Oct 15, 2021. doi: 10.4251/wjgo.v13.i10.1453
Table 2 Lugano staging system
Stage

Stage IConfined to the GI tract (single primary or multiple, non-contiguous)
Stage IIExtension into abdomen
II1Local nodal involvement
II2Distant nodal involvement
Stage IIEPenetration of serosa to involve adjacent organs or tissues
Stage IVDisseminated extranodal involvement or concomitant supra-diaphragmatic nodal involvement