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In some cases, carcinoid tumors don't cause any signs or symptoms. When they do occur, signs and symptoms are usually vague and depend on the location of the tumor.

Carcinoid tumors in the lungs

Signs and symptoms of carcinoid lung tumors 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)

When to see a doctor

If you experience any signs and symptoms that bother you and are persistent, make an appointment with your doctor.

Dec. 20, 2012