Presenting symptoms for neuroendocrine tumour (5), (6), (23)– (26)
| Symptom | Percentage of cases |
|---|---|
| Gastroenteropancreatic | |
| Abdominal pain | 28–79 |
| Bowel obstruction | 18–24 |
| Diarrhea | 10–32 |
| Carcinoid heart disease | 8–19 |
| Flushing | 4–25 |
| Gastrointestinal bleed | 4–10 |
| Incidental | 9–18 |
| Bronchopulmonary | |
| Cough | 5–27 |
| Hemoptysis | 23–32 |
| Recurrent infection | 41–49 |
| Incidental | 17–39 |