Rectal cancer may also manifest as blood in the stool

Rectal cancer may also manifest as blood in the stool. By the color of the blood in the stool, we can determine whether we have this disease. Do you know what the symptoms of rectal cancer are? This is a question that many people want to know. Let the experts explain it to you in detail.

The main symptoms of rectal cancer are as follows:

1. Blood in the stool

Blood in the stool is a symptom of rectal cancer, but it is often ignored by patients or misdiagnosed as hemorrhoids, which delays treatment and worsens the condition. Blood in the stool is mostly red or dark red, mixed with mucus and blood in the stool, or pus and blood in the stool, sometimes accompanied by blood clots and necrotic tissue. The above symptoms are the result of blood circulation disorders caused by the proliferation of cancer, tissue necrosis and erosion, ulceration and infection, and ulcer formation.

2. Intestinal stenosis and obstruction

The cancer infiltrates around the intestinal wall, narrowing the intestinal cavity, especially at the junction of the rectum and sigmoid colon. Rectal cancer is mostly manifested as a narrow hard cancer, which can easily cause obstruction. Rectal ampulla cancer is mostly ulcerative, and the ampulla is relatively wide. It is estimated that it will take about 1 to 2 years for narrowing and obstruction to occur. The stool will become thinner, defecation will be difficult, constipation will occur, and abdominal discomfort, bloating and pain will occur. Due to the accumulation of feces, cord-like masses can be felt in the upper part of the sigmoid colon where the obstruction occurs, and sometimes in the lower left abdomen. These are all symptoms of rectal cancer.

3. Anal pain and anal incontinence

If the lower rectal cancer infiltrates the anal canal, it can cause local pain. If it involves the anal sphincter, it can cause anal incontinence, pus and blood often flow out, and contaminate underwear. Cancer infection or metastasis can cause enlargement of inguinal lymph nodes. These are the symptoms of rectal cancer.

The above is the explanation given by experts on the symptoms of rectal cancer. I hope it can help you answer your questions. Experts remind everyone that if you suffer from any disease in your daily life, you must not delay treatment. This is very dangerous. Some diseases will worsen or cause other diseases.