A brief discussion on the symptoms of advanced rectal cancer

In recent years, colorectal cancer has become one of the major diseases that endangers society and human health, and it has brought great pain and distress to humans. In order to reduce the incidence of colorectal cancer, we humans should understand the symptoms of colorectal cancer:

1. A lump may be felt during digital rectal examination. Patients with advanced rectal cancer may have increased bowel movements, incomplete bowel movements, frequent urge to defecate, tenesmus, and other local irritation symptoms of the cancer.

2. Due to the enlargement of the tumor in the late stage of rectal cancer, the intestinal cavity narrows and intestinal obstruction occurs. When the intestinal cavity is completely blocked, symptoms of intestinal obstruction such as constipation, abdominal distension, and abdominal pain appear.

3. When the advanced cancer further expands, it will invade the surrounding tissues and organs, causing the patient to have difficulty urinating, frequent urination, and painful urination. When the cancer invades the presacral nerve plexus, there will be pain in the sacrum and waist; when it metastasizes to the liver, it will cause hepatomegaly, ascites, jaundice, and even cachexia.

4. Another typical symptom of advanced rectal cancer is increased intestinal secretions, which is caused by irritation of the intestinal mucosa. A small amount of mucus secretions will be discharged with the stool, and there will be strips of mucus on the surface of the stool. As the tumor continues to develop, the irritation to the rectal mucosa will be greater, and the patient will feel mild discomfort in the rectum, or often have a sense of emptiness. In the late stage of rectal cancer, when the surface of the tumor ulcerates, the stool will be thinner and may be watery and mixed with mucus and blood.

In the early stage of rectal cancer, when the frequency of bowel movements increases and the stool contains mucus, pus and blood, it is easy to be misdiagnosed as dysentery, enteritis, etc. In the middle and late stages of rectal cancer, the symptoms may be confused with hemorrhoids, leading to misdiagnosis and missed diagnosis, which will lead to further development of the disease and make the bloody stool symptoms more prominent. Almost every stool has mucus and blood on the surface. Once such symptoms appear, you must seize the best treatment opportunity and seek medical attention in time.

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