Table 1. Staging Classification from the Fifth International Conference on Malignant Lymphoma (1993).

Stage	Definition
I	tumor confined to gastrointestinal tract
II	tumor extending into abdomen from primary site
II1	local nodal involvement (perigastric)
II2	distal nodal involvement (para-aortic or paracaval)
IIE	penetration of serosa to involve adjacent organs
IV	disseminated disease or supradiaphragmatic nodal involvement