It is possible that cdx2 positivity could mean having an intestinal disease, such as an infectious disease or a gastrointestinal tumor. cdx2 positivity, is belongs to the normative specificity and transcription factor, under normal circumstances, the result should be negative. 1. Infectious diseases: for example, bile reflux gastritis, chronic gastritis caused by Helicobacter pylori infection and other diseases may lead to cdx2 positivity. 2. Gastrointestinal tumors: For example, stomach cancer, colon cancer, rectal cancer and other diseases, may also be cdx2 positive. If cdx2 is positive, you need to go to the hospital for appropriate auxiliary examination, combined with the patient’s physical condition and clinical symptoms in order to clarify the cause of the disease, and follow the doctor’s instructions to treat the disease.