Colon cancer, as the name suggests, is a cancer that occurs in the colon area. Colon cancer is a kind of cancer that is difficult to detect in the early stage, and generally speaking, once it is detected, it is often in the late stage, so colon cancer is a disease with a very high mortality rate, and its detection is often a sign of death. Let’s introduce the early symptoms of colon cancer to you. 1. The most obvious symptom of early colon cancer is the change of stool characteristics. Generally speaking, in early stage of colon cancer, the stool which is originally thick becomes thin and mucus or blood in stool will appear, generally speaking, the bleeding volume of right colon cancer is smaller and the blood is mixed with stool due to the peristalsis of intestine, generally speaking, it is difficult to detect the blood in stool with naked eyes, but the routine stool examination will reveal the positivity of blood, and the left colon cancer is not mixed with stool due to blood or mucus. Therefore, mucus and blood can be easily detected by the naked eye. Generally speaking, the right colon cancer will have pus and blood in the stool, thin stool, and the number of bowel movements will increase significantly, and as the cancer continues to expand and affects the passage of stool, the right colon cancer will also have a combination of diarrhea and constipation, and the left colon cancer will generally have difficulty in defecation, and it will become more and more difficult to defecate as the cancer gradually expands. If the location of the cancer is low, it will have poor bowel movement, and it will feel like the stool has reached the anus, but it cannot be defecated. 3. Colon cancer will show abnormalities in the gastrointestinal tract, generally manifested as abdominal distension, discomfort, and indigestion symptoms. appendicitis. In the case of left hemicolectomy, the obstruction can be sudden, with abdominal colic, abdominal distension, hyperactive bowel movement, constipation and obstructed exhaustion, or chronic obstruction symptoms such as abdominal distension, paroxysmal abdominal pain, hyperactive bowel sounds, constipation, blood and mucus in stool, etc. With the development of colon cancer, patients will also show symptoms of poisoning. Early colon cancer will show symptoms such as low fever, anemia, emaciation, weakness and swelling, generally speaking, anemia and emaciation are the most prominent.