TABLE 1

Patient Characteristics

Patient no.	Primary	Sex	Age at study inclusion (y)	Time since diagnosis (mo)	Primary resected?	Ki67 percentage	Syndrome	TNM^*	Metastases	¹⁸F-FDG
1	Cecum	M	58	195	Yes	Not performed	Carcinoid	IV	Carcinomatosis	Positive
2	Duodenum	F	50	97	Yes	1	Gastrinoma	R0		Negative
3	CUP	M	44	16	No	5	Carcinoid	IV	Peritoneum	Not performed
4	Ileum	M	62	9	Yes	3	None	R1		Not performed
5	Ileum	M	63	88	Yes	3	Carcinoid	IV	Lymph nodes	Negative
6	CUP	F	40	23	No	5	Carcinoid	IV	Liver	Negative
7	Pancreas	M	72	2	No	7	None	IV	Liver, bones	Not performed
8	Lower small intestine	F	51	92	Yes	3	Carcinoid	IV	Liver, breasts	Negative
9	CUP	M	81	3	No	10	Carcinoid	IV	Liver, peritoneum	Positive
10	Ileum	M	64	10	Yes	1	None	IV	Lymph nodes	Not performed
11	CUP	M	64	38	No	4	Carcinoid	IV	Liver	Positive
12	Ileum	M	72	6	No	10	Carcinoid	IV	Liver, bones, lymph nodes	Not performed
13	Bronchogenic NET	F	44	103	No	5	Carcinoid	IV	Lungs, lymph nodes	Positive
14	CUP	M	76	3	No	7	Carcinoid	IV	Liver	Positive

↵* TNM stage before study inclusion according to most recent classifications of European Neuroendocrine Tumor Society and American Joint Committee on Cancer/International Union Against Cancer.
R0 resection = complete resection, no microscopic residual tumor; CUP = cancer of unknown primary; R1 resection = microscopic residual tumor.