Labels:bulletin board | dialog box | sky | web site | window OCR: Stage Descr iption ANN ARBOR STAGING SYSTEM Involvement ofa single nodal group or single nodal site (IE) Involvement ot more than one nodal group on the same side of the diaphragm or involvement of a single extranodal site with one or more nodal groups on the same side of the dia- phragm (IIE) III Involvement of nodes on both sides of the diaphragm, with or without involvement of extranodal sites (IIIE), spleen (IIIS), or both (IHIES) IV Diffuse involvement of viscera or bone marrow BLACKLEDGE STAGING SYSTEM confined to the gastrointestinal tract II Tumor with local mesenteric nodal involvement 11I Tumor with perforation IV Tumor with distant (paraaortic and beyond) nodal involvement Tumor with visceral or bone marrow involvement HIES bevond
