ocr: Stage Descreptzon ANN ARBOR STAGING SYSTEM I Involvement of a single nodal group or single nodal site (IE) II Involvement of 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 (IIIES) IV Diffuse involvement of viscera or bone mnarrow BLACKLEDGE STAGING SYSTEM I I Tumor confined to the gastrointestinal aract II Tumor with local mesenteri ...
