Should You Get a Colonoscopy Even If You Have No Symptoms?

The procedure is typically performed under sedation to ensure comfort and most patients can return home on the same day. By directly visualising the colon, colonoscopy remains one of the most effective tools for detecting and preventing colorectal cancer.

How Does Colorectal Cancer Develop Without Symptoms?

In its early stages, colorectal cancer may develop without causing noticeable symptoms. This is because early changes in the colon or rectum often do not interfere with normal bowel function. As a result, many people may not realise there is a problem. Several factors may explain why symptoms may not appear early:

• Small polyps often cause no discomfort

  Precancerous polyps can grow slowly along the lining of the colon without affecting daily bowel habits.

• The colon has a large internal space

  Early tumours may not block the passage of stool or cause noticeable digestive changes.

• Symptoms may only appear when the cancer grows larger

  Signs such as rectal bleeding, persistent changes in bowel habits or unexplained weight loss may develop later as the disease progresses.

What Are the Benefits of Regular Colonoscopy Screening?

Regular colonoscopy screening plays an important role in preventing colorectal cancer. By detecting and removing precancerous polyps early, the procedure can stop cancer from developing before it begins. This makes colonoscopy not only a diagnostic test but also a preventive one.

In addition to cancer prevention, screening can identify other conditions such as inflammation or sources of bleeding that may not yet be causing symptoms. For individuals without noticeable bowel issues, regular screening provides reassurance and supports long-term digestive health through early detection and timely management.

Prioritising Preventive Care with Maven Surgery

Even in the absence of symptoms, regular colonoscopy can play a crucial role in reducing the risk of colorectal cancer through early detection and timely intervention. Making screening part of your routine healthcare is a proactive step toward safeguarding your long-term well-being.

Here at Maven Surgery, we provide a careful and supportive approach to colonoscopy screening, guiding you through each step with clarity and reassurance. Dr Chong Chee Keong, a dual-fellowship trained surgeon with more than 20 years of experience and a Member of the Singapore Medical Association, combines clinical expertise with attentive care to deliver precise assessments and personalised recommendations. If you are due for colorectal screening or would like tailored advice, schedule a consultation with us to take a proactive step toward protecting your long-term health.

Meet Our Specialist

Dr Chong Chee Keong Breast, Colorectal and General Surgeon MBBS (Singapore), FRCS (Edinburgh), FRCS (Glasgow), FAMS (Singapore) Specialist Accreditation in Intensive Care Medicine Specialists Accreditation Board, Medical Director & Senior Consultant

Dr Chong Chee Keong is a Breast, Colorectal and General Surgeon with over 20 years of clinical experience. Dual-fellowship trained and highly accredited, he founded Maven Surgery with a commitment to elevating the standard of care for breast and colorectal cancers, the two most common cancers affecting women and men.

Dr Chong works closely with multidisciplinary teams of surgical, medical and radiation oncologists and remains actively involved in international cancer conferences to stay at the forefront of advancing techniques. He has a strong focus on minimally invasive surgery, recognising the importance of preserving self-image while maintaining treatment safety and effectiveness.

Frequently Asked Questions About Colonoscopies