Table 4.

Postoperative course, surgical result and follow-up.

Characteristic	Number (%)
	IMAGE NEG	IMAGE POS	significance
Patient number	58	117
Status Last follow-up
Alive	47 (81%)	79 (67%)	0.062
Dead	11 (19%)	38 (32%)
Disease-related death	4 (6.9%)	20 (17%)	0.066
Years surgery to death
Mean ± SEM	4.3 ± 1.3	8.1 ± 0.6	0.01
[range]	[0.6-13.2]	[0.6-20.7]
Years surgery to disease-related death
Mean ± SEM	7.2 ± 1.9	7.1 ± 1.3	0.99
[range]	[2.4-11.9]	[0.6-20.7]
Duration of follow-up (yrs)
Time from surgery to last follow-up (yrs)
Mean ± SEM	9.5 ± 0.7	11.6 ± 0.6
[range]	[0.1-21.8]	[0.1-28.1]
Time from onset ZES to last follow-up (yrs)
Mean ± SEM	18.8 ± 1.2	19.2 ± 0.9
[range]	[4.2-49.5]	[1.4-42.1]
Postoperative status
Disease-free
Immediate Postop	36 (63%)	63 (54%)	0.31
Last Followup	28 (48%)	41 (35%)	0.09
Not disease free last followup	30 (52%)	76 (64%)	0.09
Recurrence	8 (14%)	22 (19%)	0.41
Liver metastases during follow-up
No. developing liver metastases	6 (10%)	19 (17%)	0.36
Time to development (yrs)
Mean ± SEM	3.7 ± 0.9	3.1 ± 0.6
[range]	[0.8-7.2]	[0.2-7.2]
No. developing new lesions during follow-up	12 (21%)	48 (41%)	0.008