Alternative medicine

Tai chi


Abdominal pain

Find out what causes different types of abdominal pain.

Anal pain

Nausea and vomiting

Rectal bleeding

Shortness of breath

Unexplained weight loss


Tests and diagnosis

Capsule endoscopy


CT scan


Positron emission tomography scan

Upper endoscopy



Dec. 03, 2015
  1. Melmed S, et al. Neuroendocrine gastrointestinal and lung tumors (carcinoid tumors), carcinoid syndrome, and related disorders. In: Williams Textbook of Endocrinology. 12th ed. Philadelphia, Pa.: Saunders Elsevier; 2011. Accessed Aug. 5, 2015.
  2. Neuroendocrine tumors. Fort Washington, Pa.: National Comprehensive Cancer Network. Accessed Aug. 5, 2015.
  3. Feldman M, et al. Neuroendocrine tumors. In: Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology, Diagnosis, Management. 10th ed. Philadelphia, Pa.: Saunders Elsevier; 2016. Accessed Aug. 5, 2015.
  4. Goldman L, et al., eds. Neuroendocrine tumors and the carcinoid syndrome. In: Goldman-Cecil Medicine. 25th ed. Philadelphia, Pa.: Saunders Elsevier; 2016. Accessed Aug. 28, 2015.
  5. Gastrointestinal carcinoid tumors treatment (PDQ). National Cancer Institute. Accessed Aug. 28, 2015.
  6. AskMayoExpert. Neuroendocrine cancers of the gastrointestinal tract. Rochester, Minn.: Mayo Foundation for Medical Education and Research; 2014.