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Table 2 Value of borderline resectability

From: Opinions and use of neoadjuvant therapy for resectable, borderline resectable, and locally advanced pancreatic cancer: international survey and case-vignette study

  surgeons oncologists
What does borderline resectable mean to you?
 The primary tumor can only be resected by surgeons with particular expertise 26/99 (26.3%) 2/15 (13.3%)
 The resection of the primary tumor inherits a high risk for (incomplete) R1 resection 73/99 (73.7%) 13/15 (86.7%)
 The tumor can be resected R0, but the oncological outcome after surgery is questionable 16/99 (16.9%) 1/15 (6.7%)
 The morbidity of a resection of the primary tumor exceeds the normal morbidity by far 9/99 (9.1%)
 Is not important – either a tumor is resectable or not 2/99 (2%)
What defines borderline resectability?
 Tumor contact to the portal (PV)/superior mesenteric (SMV) veins on imaging – likelihood of a PV/SMV resection 29/99 (29.3%) 8/15 (53.3%)
 Tumor contact to the hepatic or mesenteric arteries on imaging 35/99 (35.4%) 4/15 (26.7%)
 Tumor contact to the PV/SMV up to 180° on imaging 31/99 (31.3%) 6/15 (40%)
 Tumor contact to celiac, hepatic or mesenteric arteries up to 180° on imaging 43/99 (43.4%) 5/15 (33.3%)
 Tumor contact to the PV/SMV of more than 180° on preoperative imaging 40/99 (40.4%) 5/15 (33.3%)
 Tumor contact to the celiac/hepatic or superior mesenteric arteries of more than 180° on imaging 19/99 (19.2%)
 Tumor related portal vein thrombosis on imaging 16/99 (16.2%)
 Resectability cannot be assessed on imaging only 12/99 (12.1%) 1/15 (6.7%)
 others 9/99 9.1%)