Table 1.
SMA | Celiac axis | CHA | SMV-PV | |
---|---|---|---|---|
Resectable (all four required) | no contact | no contact | no contact | ≤90° contact |
Borderline resectable (minimally one required) | ≤90° contact | ≤90° contact | ≤90° contact | ≤90°-270° contact, and no occlusion |
Irresectable (minimally one required) | contact > 90° | contact > 90° | contact > 90° | contact > 270° or occlusion |
SMA superior mesenteric artery, CHA common hepatic artery, SMV superior mesenteric vein, PV portal vein