Colorectal cancer is one of the most common malignant tumor. Age of onset and more in over 40 years of age, men more than women. The incidence of colorectal cancer and colorectal chronic inflammation, colorectal polyps, adenoma and genetic factors. Since the early symptoms of colorectal cancer and other diseases easily confused, often delay treatment. So how early diagnosis and treatment is to improve the survival rate of patients with colorectal cancer the key. Common symptoms of colorectal cancer are: 1. Blood in the stool. This is all the early symptoms of colorectal cancer One, but different parts of their colorectal cancer in time and nature are different. Patients with early cancer can occur blood in the stool, usually blood, easily confused with hemorrhoids. The remaining parts of tumor hemorrhage due to blood sometimes less, or stay in the body a long time, the naked eye can not be aware, but do fecal occult blood test was positive, long time, even in severe anaemia. 2. Bowel habits change. Including the feces of time, the number of changes and constipation or diarrhea of unknown causes. The number of bowel cancer patients may increase, but each time not much defecation, some stick from the cold-like liquid, and there is not a feeling defecation. Some patients can appear repeatedly turn of constipation and diarrhea. When the illness further development of the enteric blocking tumor cavity, can appear abdominal pain, abdominal distention, nausea, vomiting, stop defecation performance exhaust, and other obstruction. 3. Stool abnormal shape. The cylindrical stool was normal, if the tumor highlighted in Transrectal and oppression of feces, often from small changes can also be a flat, sometimes attached to a Xuehen. When we find that more of these symptoms when it is necessary to heighten vigilance: whether they had colon cancer, has been deemed not to attack or hemorrhoids treatment of chronic anemia and delay the disease. Diagnosis of colorectal cancer is the most reliable way to colonoscopy, can be found colon, rectum cancer, and the desirability of the organizations sent to pathological examination. For low rectal cancer, the most simple and effective way is to check for anal means, can determine whether the tumor location, nature and scope. In addition, by barium enema, CT, check blood CEA, blood to help diagnose.
