Early stage of colon cancer has more than five major symptoms, clinically it is mainly characterized by abnormal bowel movement, abdominal discomfort and intestinal obstruction.
1. Abnormal bowel movement. In early stage of colon cancer, because of the presence of tumor, the intestinal pathway becomes narrower, and at the same time, it affects the digestive ability and peristaltic movement of intestines, which can not digest all kinds of food in time, thus causing constipation, diarrhea, increased bowel movement and so on.
2. Abdominal discomfort, early because of the weakening of digestive ability, patients will have abdominal distension, abdominal pain, some serious patients will also appear abdominal mass.
3. Intestinal obstruction, a small number of colon cancer patients will have intestinal obstruction in the early stage, which will lead to regurgitation, vomiting and constipation.
Some patients may also have black stools, bloody stools, fatigue, emaciation, etc. It is recommended that patients should consult doctors in time when they have the above symptoms, and cooperate with doctors to improve the examination and make a clear diagnosis, so as to avoid delaying the condition.