Understanding Colorectal
Cancer in Seniors

Colorectal cancer is one of the most common cancers affecting older adults, yet it remains widely misunderstood. While it can develop at any age, the risk of colorectal cancer increases significantly with age, making it a critical health concern for seniors. Understanding the risks, symptoms, and prevention strategies can help older adults make informed decisions about their health and well-being.

What is Colorectal Cancer?

Colorectal cancer starts in the colon or rectum and often begins as a small growth called a polyp. While many polyps are benign, some can become cancerous over time if left untreated. Regular screenings are essential for detecting these early changes and preventing the progression of cancer.

Risk Factors for Seniors

Aging is one of the primary risk factors for colorectal cancer. According to the American Cancer Society, more than 90% of cases are diagnosed in individuals over the age of 50. Other risk factors include:

• Family history – Having a close relative with colorectal cancer increases the likelihood of developing the disease.


• Diet and lifestyle – A diet high in processed foods and red meat, combined with a sedentary lifestyle, can contribute to an increased risk.


• Medical history – Conditions like inflammatory bowel disease (IBD), diabetes, and obesity are linked to a higher risk of colorectal cancer.


• Smoking and alcohol use – Long-term smoking and excessive alcohol consumption have been associated with a greater likelihood of developing colorectal cancer.

Common Symptoms

Colorectal cancer may not always present noticeable symptoms in its early stages, which is why screenings are so vital. However, some warning signs include:

• Changes in bowel habits, including diarrhea or constipation


• Blood in the stool or rectal bleeding


• Persistent abdominal discomfort, such as cramping or bloating


• Unexplained weight loss


• Fatigue and weakness

If any of these symptoms persist, it is important to consult a healthcare provider as soon as possible. Early detection significantly improves the chances of successful treatment.

The Importance of Screening

Screenings are essential for early detection and prevention of colorectal cancer. The most common screening methods include:

• Colonoscopy – A procedure that allows doctors to examine the entire colon and remove polyps before they become cancerous.


• Stool-based tests – These non-invasive tests detect blood or abnormal DNA in the stool and can indicate the presence of cancer.


• Flexible sigmoidoscopy – A procedure similar to a colonoscopy but focuses only on the lower part of the colon.

The U.S. Preventive Services Task Force recommends routine colorectal cancer screenings for adults starting at age 45, but seniors should discuss personalized screening schedules with their doctors.

Prevention Strategies

While some risk factors for colorectal cancer, such as age and genetics, cannot be changed, there are lifestyle modifications that can help reduce the risk:

• Maintain a healthy diet – Eat plenty of fiber-rich foods such as fruits, vegetables, and whole grains while limiting red and processed meats.


• Stay physically active – Regular exercise helps maintain a healthy weight and supports overall colon health.


• Limit alcohol and avoid smoking – Reducing alcohol consumption and quitting smoking can lower the risk of colorectal cancer.


• Stay up to date on screenings – Regular check-ups with a healthcare provider can help detect and prevent cancer before it progresses.

Treatment Options

Treatment for colorectal cancer depends on factors such as the stage of cancer, overall health, and personal preferences. Common treatment options include:

• Surgery – Removal of the cancerous portion of the colon or rectum.


• Radiation therapy – Often used for rectal cancer, this treatment targets cancer cells with high-energy radiation.


• Chemotherapy – Uses medications to kill cancer cells or slow their growth, often used in advanced cases.


• Targeted therapy – A more precise treatment option that focuses on specific cancer cells.

Discussing treatment options with a medical professional can help seniors and their families make informed decisions about care.

Colorectal cancer is a serious condition, but with early detection, proactive screenings, and a healthy lifestyle, it is also one of the most preventable and treatable cancers. By staying informed and prioritizing regular check-ups, seniors can take charge of their health and reduce their risk of colorectal cancer.

MorningStar Senior Living

If your loved one lives far from family and friends, it could be time to move into a senior living community near their adult children where they’ll have the companionship of fellow seniors and a compassionate service team. At MorningStar Senior Living, a 24/7 team is dedicated to offering care and hospitality services that meet each resident’s social, emotional, physical, and spiritual needs. We offer month-to-month rent with levels of care if needed. Curious? Contact us to learn more.