Surgical management of monomorphic epitheliotropic intestinal T-cell lymphoma followed by chemotherapy and stem-cell transplant: A case report and review of the literature

Table 4 The Lugano staging system

Stage		Features
I		Tumor confined to small bowel: Single or multiple primary lesions
II	II	Para-intestinal nodal involvement
	II-1	Involving mesenteric, aortic, caval, pelvic, or inguinal nodes
	II-2	With penetration of serosa involving adjacent organs or tissues
	E (IIE, II-1E, II-2E)	Tumor extending into abdomen from primary small bowel site
III		NO stage III
IV		Disseminated extranodal sites or supra-diaphragmatic nodal involvement