Colorectal Cancer in perspective
Brief overview on
Understanding Colorectal Cancer: Symptoms, Diagnosis, Treatment, and Current Research
Colorectal cancer (CRC) is a type of cancer that affects the colon or rectum. It is the third most common type of cancer in both men and women in the United States, but CRC is more common in men than women. In 2022, it is estimated that there will be over 149,000 new cases of colorectal cancer and over 53,000 deaths from the disease. The average age at diagnosis is 68 years old and approximately 90% of cases are diagnosed in people over the age of 50.
Symptoms of colorectal cancer
- A change in bowel habits, such as diarrhea, constipation, or narrowing of the stool
- Blood in the stool
- Abdominal pain, cramping, or bloating
- Unexplained weight loss
Detection of colorectal cancer
Colorectal cancer is diagnosed through a combination of physical exams, imaging tests, and biopsies. Imaging tests may include colonoscopy, CT scan, MRI, or PET scan. A biopsy, which involves removing a small sample of tissue for examination, is necessary to determine if cancer is present.
Research is ongoing to find new treatments for colorectal cancer. Some of the current research areas include:
Immunotherapy: This is a type of treatment that uses the body’s immune system to fight cancer.
Personalized medicine: Researchers are looking for specific biomarkers that can help predict how well a patient will respond to treatment.
Novel drug therapies: Researchers are testing new drugs and drug combinations to improve outcomes for patients with advanced or recurrent colorectal cancer.
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