Bowel cancer may also be misdiagnosed because there are many other diseases in clinical work that may be misdiagnosed, mainly due to the atypical symptoms of patients at the time of onset. If there are some typical symptoms, such as pain in the abdomen or blood in the stool or frequent stools, it is possible to consider bowel cancer and do colonoscopy or abdominal CT examination, which can confirm the diagnosis in most cases. Therefore, bowel cancer is relatively misdiagnosed, that is, the patient is not diagnosed as bowel cancer in the early stage. If bowel cancer can be diagnosed early, the survival of patients with early surgery is very good, but of course, if the patient’s condition is late and cannot be removed surgically, the overall survival is very low.