1, bloody stool

The symptoms of early colon cancer are only occult blood in stool, which gradually turns into bloody stool, dysentery-like purulent bloody stool, acute diarrhea and then severe diarrhea, sometimes intractable constipation, thin stool, or pasty stool, or diarrhea and constipation appear alternately.

2. Tuotuo

Abdominal mass is more common in the right abdomen, which is one of the symptoms of right colon cancer. It is suggested that there may be a nodular feeling on the surface of the mass in the middle and late stage, which can be pushed generally, but it will be fixed in the late stage of colon cancer, and it can be tender when complicated with infection. Patients with colon cancer may have progressive anemia, low fever, progressive emaciation, cachexia, hepatomegaly, edema, jaundice and ascites.

3. Abdominal pain

It is manifested as abdominal pain in different degrees, often accompanied by erosion, necrosis and secondary infection. If it happens on the right side, it will cause dull pain in the right abdomen, and sometimes abdominal pain after meals. Left colon cancer is often complicated with intestinal obstruction, sometimes abdominal cramps, accompanied by abdominal distension and irritable bowel sounds.

The symptoms of some patients with colon cancer are not obvious, and the symptoms are often in the late stage, and the best treatment opportunity is lost. Therefore, for the elderly, it is suggested to have regular physical examination and strengthen physical exercise, which is the best way to prevent diseases and find various diseases, and we must pay attention to it.