Table 1.
AHPBA-SSAT-SSO | Intergroup (alliance A021101) | MDACC | NCCN | |
---|---|---|---|---|
SMV-PV | Abutment, encasement, or occlusion | At least 180° interface between tumor and vessel OR reconstructable occlusion | Occlusion | Abutment with impingement or narrowing |
SMA | Abutment | Less than 180° interface between tumor and vessel | Abutment | Abutment |
CHA | Abutment or short-segment encasement | Reconstructable, short-segment interface between tumor and vessel | Abutment or short-segment encasement | Abutment or short-segment encasement |
Celiac trunk | No abutment or encasement | Less than 180° interface between tumor and vessel | Abutment | No abutment or encasement |
AHPBA Americas Hepatopancreatobiliary Association, SSAT Society for Surgery of the Alimentary Tract, SSO Society of Surgical Oncology, SMV superior mesenteric vein, PV portal vein, SMA superior mesenteric artery, CHA common hepatic artery