Table 2.

Imaging characteristics, biochemical response, imaging response and post-treatment resection

Patient no.	Tumour extension at presentation (On imaging)	SMA		SMV/PV		Celiac artery		Hepatic artery		CT response to treatment	Surgery	Comments
		Before	After	Before	After	Before	After	Before	After
1	BR	U	U	A	A	U	U	U	U	Stable	Yes	Involvement based on EUS and intra-operative findings
2	LA	U	U	A	A	E	E	E	E	Stable	No
3	BR	U	U	A	E	U	A	U	E	Progression	No	Pre chemo-rad exploration
4	LA	E	E	E	E	A	E	E	E	Progression	No
5	LA	U	U	E	E	A	E	E	E	Progression	No
6	BR	A	A	A	A	U	U	U	U	Stable	Yes	Pre chemo-rad exploration
7	BR	U	U	E	E	U	U	U	U	Stable	No	Development of Malignant ascites
8	LA	U	U	E	E	U	U	E	E	Stable	No
9	BR	U	U	E	E	U	U	U	U	Stable	No	Poor performance status
10	BR	U	U	A	A	U	U	U	U	Stable	Yes	Excision and replacement of vein.
11	LA	U	A	E	E	E	E	E	E	Progression	No
12	BR	U	U	U	E	U	U	U	U	Progression	No	Pre chemo-rad exploration. Involvement of base of mesentery precluded resection on pre-treatment exploration, Poor performance status precluded resection after treatment
13	BR	A	A	U	U	U	U	U	U	Stable	No	Pre chemo-rad exploration. Poor performance status precluded resection.
14	LA	A	A	E	E	E	E	E	E	Stable	No
15	BR	U	U	A	A	U	U	U	U	Stable	Yes	Pre chemo-rad exploration
16	BR	U	U	A	A	U	U	U	U	Stable	Yes	Vein resection

E, encasement; A, abutment; U, uninvolved; BR, borderline resectable; LA, locally advanced; SMA, superior mesenteric artery; NA, not available.