Colon cancer & Colon polyp

Cancer of the large intestine

Colon cancer is a cancer of the large intestine and is one of the most common cancer in Singapore as well as around the world. It usually starts as a small lump on the internal lining of the large intestine (also known as the colon). This small lump is known as a colon polyp initially and is non-cancerous (benign) at this stage. Patients usually do not have symptoms from their polyps. Some colon polyps are generally harmless but there are certain types of colon polyp (for eg. tubular adenoma, villous adenoma, serrated adenoma) that can grow larger and develop into colon cancer over time. 

Colon cancer may be prevented through regular screening with colonoscopy or stool test (fecal occult blood test). This is because screening test can detect colon polyp even when patients do not have any symptom such as passing out visible blood or tummy pain. Removal of colon polyp via colonoscopy may then prevent progression of the polyp into colon cancer.

It’s therefore early to be diagnosed and treated early. If unsure, fix an appointment to see Dr Tan today!



Most guidelines recommend people be screened for colon polyp and colon cancer with either colonoscopy or stool test from the age of 50 years old onwards. For people with increased risk, such as those with a family history of colon cancer, screening may be started at age of 40 years old or even earlier depending on the age of the family member at the diagnosis of colon cancer. 

As every patient is unique with different risk profile and preference, the timing and choice of the screening test has to be carefully individualised and this is best done after a detailed discussion with the doctor performing the screening test. 

located at

Mount Elizabeth Hospital 

Our clinic is located at Mount Elizabeth Hospital (Orchard) within the famed Orchard Road shopping belt. For over 40 years, Mount Elizabeth Hospital (Orchard) has been the leading medical hub in Asia Pacific providing cutting edge medical services to patients in Singapore as well as those from all around the region. 

Why Choose Us

Helmed by Dr Tan Poh Seng with wealth of gastroenterology experience and expertise

Endoscopic procedures such as Gastroscopy and Colonoscopy are personally performed by Dr Tan who has carried out thousands of these endoscopies

Personalised and Tailored Treatment Plan

Conveniently located at Mount Elizabeth Orchard Hospital