carcinoid diarrhea

What Tumor Causes Diarrhea? Certain cancers can cause diarrhea, including hormone-producing (neuroendocrine) tumors, such as carcinoid syndrome and Zollinger-Ellison syndrome; colon cancer; lymphoma; medullary carcinoma of the thyroid gland; and pancreatic cancer. Do carcinoid tumors cause diarrhea? Carcinoid tumors often don’t cause signs and symptoms until late in the disease. Carcinoid tumors can produce and