SEER Training Modules

T3 N1 M0 Stage Group IIB

T3 Tumor extends beyond pancreas without involvement of celiac axis or superior mesenteric artery - duodenal biopsy positive for adenocarcinoma. CT scan states tumor appears to "abut" superior mesenteric vein (SMV), which is not considered a term of involvement. Reference: The Commission on Cancer of the American College of Surgeons (COC), Facility Oncology Registry Data Standards Revised for 2004, pg. 24.