Rectal Cancer

Rectal Cancer

Rectal cancer is a type of cancer that begins in the rectum, the last part of the large intestine. This cancer happens when cells in the rectum start to grow uncontrollably, forming a tumor. Although it is similar to colon cancer, rectal cancer often needs different treatment because of its location in the body. Detecting it early is important for successful treatment, but symptoms may not appear right away. With better screening and treatment options, the outlook for people with rectal cancer is improving, especially when it’s caught early. Regular screenings are recommended for people over 45 and those with a family history of colorectal cancer.

Types of Rectal Cancer

Rectal cancer can vary in type, with each form impacting treatment decisions and prognosis. Here are five primary types of rectal cancer:

• Adenocarcinoma: The most common type, originating in the glandular cells lining the rectum that produce mucus to facilitate stool movement.
• Mucinous Adenocarcinoma: A subtype of adenocarcinoma that contains mucus-producing cells, making it more challenging to treat as the mucus can shield cancer cells from therapies.
• Signet Ring Cell Carcinoma: A rare and aggressive form of cancer, this type is characterized by cells with a distinctive “signet ring” appearance due to their high mucus content.
• Squamous Cell Carcinoma: This rare type arises in the squamous cells, which are flat cells that line parts of the anal canal and lower rectum. It often requires specialized treatment similar to anal cancer.
• Neuroendocrine Tumors (NETs): These tumors come from hormone-producing neuroendocrine cells. They can vary in aggressiveness. They are often treated differently than typical rectal cancers.

Rectal Cancer Symptoms

Rectal cancer symptoms can vary, but certain signs may indicate the presence of this disease. Here are five common symptoms to be aware of:

• Rectal Bleeding: Blood in the stool or on toilet paper after a bowel movement can be an early warning sign of rectal cancer and should be evaluated by a physician.
• Persistent Change in Bowel Habits: Ongoing changes, such as diarrhea, constipation, or a feeling of incomplete emptying, may signal an underlying issue in the rectum.
• Abdominal Pain or Discomfort: Cramping, bloating, or pain in the lower abdomen may occur, especially as the tumor grows and affects surrounding tissues.
• Unintended Weight Loss: Significant, unexplained weight loss can indicate advanced cancer and may be accompanied by loss of appetite or fatigue.
• Anemia: Rectal bleeding can lead to low red blood cell levels (anemia), causing fatigue, weakness, and shortness of breath.

Risk Factors

Risk factors for rectal cancer include lifestyle, genetics, and health issues. A family history of colorectal cancer or polyps raises the risk of rectal cancer. So do conditions like inflammatory bowel disease (IBD), Crohn’s disease, and ulcerative colitis. A diet high in red and processed meats, low activity, and obesity raise the risk. Smoking and heavy alcohol consumption are also linked to higher rates of rectal cancer.

Diagnosing Rectal Cancer

Diagnosing rectal cancer involves several steps. Initially, your physician may conduct a digital rectal exam (DRE) to feel for abnormalities. If symptoms or risk factors are present, more comprehensive screening methods, such as colonoscopy, are often recommended. During a colonoscopy, a thin, flexible tube with a camera is inserted into the rectum to allow for a detailed view. If necessary, biopsies can be taken to test for cancer cells.

Other tests, like CT scans, MRIs, or endoscopic ultrasounds, may be used to find the cancer’s stage and if it has spread. Blood tests, including tumor marker tests, can help. They can monitor treatment response if a diagnosis is confirmed. Early and accurate diagnosis is essential for effective treatment and improved outcomes.

Treatment Options

Treatment options for rectal cancer vary depending on the stage and individual needs. Common treatment options include the following:

• Surgery: Often the primary treatment for rectal cancer, surgery involves removing the tumor and surrounding tissue to prevent spread. Depending on the case, this may include partial or complete rectum removal.
• Radiation Therapy: Used either before or after surgery, radiation therapy targets cancer cells with high-energy rays to shrink the tumor and reduce the risk of recurrence.
• Chemotherapy: Administered either orally or intravenously, chemotherapy uses drugs to destroy cancer cells, often in combination with radiation or surgery for more advanced cases.
• Targeted Therapy: This treatment involves medications that focus on specific proteins or receptors associated with cancer growth, offering a more precise approach that can be used for advanced or recurring cancers.
• Immunotherapy: By boosting the body’s immune response to cancer, immunotherapy treatments help recognize and destroy cancer cells more effectively, often considered for advanced stages or specific types of rectal cancer.

Prevention Strategies

There is no guaranteed way to prevent rectal cancer, but healthy habits and regular check-ups can lower the risk. Here are some preventative steps to implement in your life:

• Routine Screenings: Regular colonoscopies and screenings are essential, especially for individuals over 45 or with a family history of colorectal cancer. Screenings can help detect precancerous polyps before they become cancerous.
• Maintain a Healthy Diet: Eating a balanced diet rich in fruits, vegetables, and whole grains and limiting processed and red meats may lower the risk of rectal cancer.
• Exercise Regularly: Being active and having a healthy weight can lower cancer risk. Obesity and a sedentary lifestyle raise colorectal cancer risk.
• Limit Alcohol and Avoid Tobacco: Reducing alcohol and avoiding tobacco lower the risk of rectal cancer.
• Manage Chronic Conditions: Regular check-ups and treatments for conditions like IBD or diabetes can reduce cancer risk.

Understanding and Managing Rectal Cancer

Recognizing the symptoms, knowing the risk factors, and getting an early diagnosis are key steps in managing rectal cancer. Treating rectal cancer early can make a big difference in your recovery. At Florida Medical Clinic Orlando Health, we offer complete care that is focused on your needs. Our team of doctors will support you from diagnosis to recovery. If you have symptoms, concerns, or want to learn more about rectal cancer, please reach out. Contact us to make an appointment and explore the treatment options we offer. Together, we’ll create a plan that puts your health and comfort first.

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