Location Tumours size Incidence Metastases 5-Year Survival Rate of Carcinoid Syndrome Metastatic sites
Duodenum Unavailable 1-3% 20% Unavailable Unavailable Local lymph nodes & liver
Ileum Unavailable 11-43% 35% 47-65% 5-7% Local lymph nodes & liver
Jejunum Unavailable 1-6% 35% 47-65% 5-7% Local lymph nodes & liver
Appendix >95% <2cm 5-44% 2% 76% Unknown Local lymph nodes & liver
Meckel’s Diverticulum Unavailable 1% 18% Unavailable Unknown Unavailable
Colon Avg size at presentation, 5cm 2% 60% 52% <5% Unavailable
Rectum 2/3 <1cm 13-30% 3% 18-81% Unknown Local lymph nodes & liver. Uncommonly to lungs, bone
Table 2: Location of primary tumour, presumed cell of origin, metastases and 5-year survival.