Table 2.

Distribution of carcinoids by site at presentation from the National Cancer Institute Database [34, 36]

	Location (% of total)				Incidence of metastases (%)
	1950–1971	1973–1991	1992–1999		1950–1971	1973–1991	1992–1999
	(n=4349)	(n=5468)	(n=4989)
Foregut
Stomach	2	3.8	5.9		22	31	10-33
Duodenum	2.6	2.1	3.8		20	—	—
Bronchus, lung	11.5	32.5	25.3		20	27	27–35
Midgut
Jejunum	1.3	2.3	1.5		35	70	58–64
Ileum	23	17.6	13.4		35
Appendix	38	7.6	2.4		2	35	39–45
Colon	4.3	6.3	9.5		60	71	51–61
Hindgut
Rectum	13	10	9.4		3	14	4–18