Can Cancer Cause Constant Diarrhea?

Can Cancer Cause Constant Diarrhea? Diarrhea can also be a symptom of the cancer itself. Cancer that affects the pancreas, colorectal cancer, and neuroendocrine tumors in the gastrointestinal (GI) tract can all cause diarrhea. Conditions and medication not related to cancer can also cause diarrhea. What type of cancer causes constant diarrhea? Certain cancers can