Introduction
Colorectal cancer develops in the colon or rectum. Depending on where they begin, these malignancies are sometimes known as colon cancer or rectal cancer, says a well-known colorectal cancer doctor in Kolkata.
Colon, rectal, and other gastrointestinal malignancies can sometimes grow without symptoms. However, with the right tests and treatments, these tumors can be detected early and even prevented.
Symptoms
Signs and symptoms of colorectal cancer typically include:
A persistent change in your bowel habits
Blood in your stool
Persistent abdominal pain
A feeling that your bowel doesn't empty completely
Fatigue
Unexplained weight loss
What impact does genetics play on the risk of developing colorectal cancer?
Genetics has a part in all colorectal cancer development at the most fundamental level. Genetic alterations often cause abnormal proliferation of normal cells, which then lose their normal growth-regulating processes.
Lifestyle causes
The majority of colorectal cancers are most likely the consequence of genetic abnormalities caused by a combination of factors such as nutrition, lifestyle, or smoking. These kinds of colorectal cancer do not appear to be hereditary, says the colorectal cancer surgeon in Kolkata.
5–10% of colorectal cancers are caused by genetic abnormalities that are handed down from generation to generation.
When should a person be checked?
People who are at "average risk" should start getting screened at the age of 45. This proposal, which was previously proposed for screenings to begin at age 50, is based on current demographic changes in colon cancer affecting younger people. They have no symptoms, no personal or family history of colorectal cancer or pre-cancerous polyps, and no other colorectal illness such as ulcerative colitis or Crohn's disease. Patients who are at a higher risk should be screened sooner.
They should consult with their doctor to determine when they should be tested or see a cancer specialist, says the expert of colorectal cancer surgery in Kolkata.
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