Some carcinoid tumours don’t cause any signs or symptoms. When they do occur, signs and symptoms are usually vague and depend on the location of the tumour1.
Carcinoid tumours in the lungs
Signs and symptoms of carcinoid lung tumours include:
- Chest pain
- Wheezing
- Shortness of breath
- Diarrhea
- Redness or a feeling of warmth in your face and neck (skin flushing)
- Weight gain, particularly around the midsection and upper back
- Pink or purple marks on the skin that look like stretch marks
Carcinoid tumors in the digestive tract
Signs and symptoms of carcinoid tumors in the digestive tract include:
- Abdominal pain
- Diarrhea
- Nausea, vomiting and inability to pass stool due to intestinal blockage (bowel obstruction)
- Rectal bleeding
- Rectal pain
- Redness or a feeling of warmth in your face and neck (skin flushing)