Some 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) 
carcinoid tumors don't cause signs symptoms  occur  signs symptoms vague depend location tumor  carcinoid tumors lungs signs symptoms carcinoid lung tumors include:  chest pain wheezing shortness breath diarrhea redness feeling warmth face neck (skin flushing) weight gain  midsection upper back pink purple marks skin look like stretch marks  carcinoid tumors digestive tract signs symptoms carcinoid tumors digestive tract include:  abdominal pain diarrhea nausea  vomiting inability pass stool due intestinal blockage (bowel obstruction) rectal bleeding rectal pain redness feeling warmth face neck (skin flushing) 
carcinoid tumors