rectal cancer causes

rectal cancer causes

rectal cancer causes

what causes rectal cancer?

Mistakes in DNA can cause cells to grow out of control. Faulty cells pile up to form tumors. These cells can penetrate and destroy healthy tissue. What sets off this process isn’t always clear.

There are some inherited gene mutations that can increase risk. One of these is hereditary nonpolyposis colorectal cancer, known as Lynch syndrome. This disorder raises the risk of colon and other cancers, especially before age 50.

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Another such syndrome is familial adenomatous polyposis. This rare disorder can cause polyps in the lining of the colon and rectum. Without treatment, it can raise the risk of colon or rectal cancer, especially before age 40.

Other risk factors for rectal cancer are:

  • age: diagnosis usually occurs after age 50
  • race: African-Americans are at higher risk than people of European descent
  • personal or family history of colorectal cancer
  • previous radiation treatment to the abdomen

Other conditions that may increase risk include:

  • ovarian cancer
  • polyps
  • inflammatory bowel disease
  • obesity
  • type 2 diabetes that’s not well managed

Some lifestyle factors that may play a role in colorectal cancer are:

  • diet with too few vegetables and too much red meat, particularly well-done meat
  • lack of exercise
  • smoking
  • consuming more than three alcoholic drinks a week

10 common questions about rectal cancer causes

1Is rectal cancer curable?
Patients with stage II and III rectal cancer will also receive radiation therapy with chemotherapy either before or after surgery. Stage IV is not often curable, but it is treatable, and the growth of the cancer and the symptoms of the disease can be managed. Clinical trials are also a treatment option for each stage.
2Can hemorrhoids cause rectal cancer?
There is no reason to believe that hemorrhoids lead to colorectal cancer. However, the symptoms of hemorrhoids are often similar to those of colorectal cancer or anal cancer. Some symptoms of hemorrhoids include: rectal bleeding
3Is rectal cancer the same as colon cancer?
Colorectal cancer is a cancer that starts in the colon or the rectum. These cancers can also be named colon cancer or rectal cancer, depending on where they start. Colon cancer and rectal cancer are often grouped together because they have many features in common
4Can rectal itching be a sign of cancer?
Rectal cancer is the least likely cause of anal itching, but only a doctor can determine your risk. The symptoms of rectal cancer are somewhat different than those of colon cancer and can include: ... Change in your bowel movements, to include narrow or ribbon-like stools. Swollen lymph nodes in your groin
5Can you feel rectal cancer?
A person may feel cramp-like pain in the stomach. The stool may be streaked or mixed with blood. In rectal cancer, the most common symptom is usually bleeding when going to the bathroom. Cancer of the rectum should be considered whenever there is rectal bleeding, even if other causes such as hemorrhoids are present.
6Is rectal cancer worse than colon cancer?
Among them, colon cancer patients had better survival than those with rectal cancer, by a margin of 4 months in stage IIB. ... The prognosis of rectal cancer was not worse than that of colon cancer. Local advanced colorectal cancer had a poorer prognosis than local regional lymph node metastasis
7Is rectal cancer painful?
The most common symptoms of rectal cancer are a change in bowel habits, such as constipation or diarrhea, narrow shaped stools, or blood in your stool. You may also have pelvic or lower abdominal pain, unexplained weight loss, or feel tired all the time
8How long can you live with rectal cancer?
Currently, there are around 1 million colorectal cancer survivors in the United States. Overall, the 5-year survival rate tells you what percent of people live at least 5 years after the cancer is found. Percent means how many out of 100. The 5-year survival rate for people with colorectal cancer is 65%.
9Does rectal cancer look like hemorrhoids?
These symptoms are not usually seen with hemorrhoids. Hemorrhoids produce the symptom of pruritus (itching) in the rectal and/or anal area while rectal cancers usually do not. Many hemorrhoids can be palpated or seen during a physical exam and are usually easy to diagnose. Rectal cancers are diagnosed by biopsy
10What does your stool look like if you have colon cancer?
Signs and symptoms of colon cancer include: A persistent change in your bowel habits, including diarrhea or constipation or a change in the consistency of your stool. Rectal bleeding or blood in your stool. Persistent abdominal discomfort, such as cramps, gas or pain


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