Are carcinoid tumors painful?
Photo Credit: Courtesy of 3DStockPhoto (painful image)
The small intestine or colon This can cause cramps, belly pain, weight loss, fatigue, bloating, diarrhea, or nausea and vomiting, which might come and go. These symptoms can sometimes go on for years before the carcinoid tumor is found. ... A carcinoid tumor sometimes can cause intestinal bleeding.