Table 2.

1-, 5- and 10-year overall survival of patients with gastroenteropancreatic neuroendocrine tumors

Overall survival/period	Stomach	Small intestine	Pancreas	Appendix	Colon	Rectum
1-yr/1976-1988	22%	30%	26%	95%	35%	50%
5-yr/1976-1988	11%	18%	11%	92%	16%	37%
10-yr/1976-1988	5%	10%	8%	90%	13%	37%
1-yr/1998-2006	71%	85%	74%	95%	68%	74%
5-yr/1998-2006	53%	68%	52%	86%	48%	65%
10-yr/1998-2006	43%	53%	35%	81%	34%	50%

Data are given for different primary tumor sites and two periods of time (1976-1988 and 1998-2006).