Table 1.

Patient demographics and tumor characteristics.

Characteristic		n
Mean age (range)	59 years (17–83 years)
Gender	Male	31
	Female	10
Ethnicity	White	22
	Hispanic	14
	Black	4
	Asian	1
TNM staging	T1N0M0	1
	T2N0M0	2
	T2N1M0	1
	T2N2MX	1
	T3N0M0	5
	T3N1M0	11
	T3N1M1	1
	T4N0M0	4
	T4N1M0	13
	T4N1M1	2
Histology	Adenocarcinoma	35
	Islet cell tumor	1
	Neuroendocrine	1
	Neuroectodermal	1
	Indeterminate	3
Location	Head	30
	Body	5
	Tail	4
	Ampullary	2