Dr Eric Gan

Consultant Surgeon at Dr Eric Gan

About Dr Eric Gan

The founder and current director of the obesity and metabolic surgery clinic Bridge Bariatrics in Singapore, Dr. Eric Gan Keng Seng began his career in the medicine after an extensive course of tertiary education. A graduate of the National University of Singapore (NUS), he earned his bachelor of medicine and master of surgery from the institution in 1991 and 1997, respectively. Earning admittance to the International College of Surgeons, Dr. Eric Gan Keng Seng pursued a number of prestigious fellowships with universities around the world. While with the National Cancer Center in Tsukiji, Japan, he refined his surgical skills, studying upper gastrointestinal cancer and related surgical procedures. With the Memorial Sloan-Kettering Cancer Center in New York, Dr. Eric Gan engaged in a research fellowship in hepatobiliary surgery.

Working in a number of capacities within the medical industry, Dr. Eric Gan has held such positions as clinical lecturer with NUS’s Yong Loo Lin School of Medicine, consultant surgeon with the Khoo Teck Puat and Alexandra Hospitals in Singapore, and chief surgeon in private practice with Eric Gan Surgery. Dr Eric Gan has a subspecialty interest in oesophageal and gastric surgery and is well versed in radical surgery and extended lymphadenectomies for upper GI cancers. Today, he continues to perform a wide range of surgical operations at his private clinic at the Mount Elizabeth Medical Center, and through the surgical weight loss clinic Bridge Bariatrics. 

Oesophagectomies as Treatment for Oesophagus Cancer

Dr. Eric Gan Keng Seng has been studying and practicing medicine for more than 25 years. A graduate of the National University of Singapore, and a former fellow of numerous institutions including the Memorial Sloan-Kettering Cancer Center in New York and the National Cancer Center in Tokyo, Dr. Eric Gan specializes in digestive tract and abdominal conditions and procedures, including surgery for treating oesophageal cancer.

Oesophageal (or esophageal) cancers are those that originate in the oesophagus. Oesophageal cancer has been linked to smoking and alcohol use, and obesity. Treatment for this condition includes endoscopic procedures such as photodynamic therapy and mucosal resection, chemotherapy and radiation, and surgery.

An oesophagectomy is one surgery sometimes undertaken in patients with resectable oesophageal cancer. This procedure involves removal of part or most of the oesophagus, and sometimes a section of the stomach. Once these portions have been resected, surgeons reconstruct the digestive tract by using either the stomach, small intestine or colon to form the new oesophagus.

Additional therapy in the form of radiotherapy or chemotherapy is often necessary in order to improve the results of treatment.

Identifying and Treating Hernias of the Abdomen

A Singapore-based surgeon focused on cancers of the stomach and abdomen, Dr. Eric Gan Keng Seng maintains his own private practice and is a consultant with Mount Elizabeth Medical Centre. He takes pride in employing minimally invasive laparoscopic techniques, which are designed to ensure that patients are able to recover more quickly and with less scarring. Among the advanced procedures Dr. Eric Gan offers is hernia surgery, which addresses tears and weakness in the abdomen’s inner layers.


A hernia often results when the abdominal wall is placed under too much strain, whether due to chronic constipation, persistent cough, or weight gain. Another common cause is lifting heavy objects improperly. When the abdominal wall’s inner lining is compromised, a visible bulge in the groin area or wall of the abdomen may appear, particularly when coughing or standing. This balloon-like sac may expand as abdominal organs slip into it.

Hernias are commonly addressed through surgery, which involves the abdominal organs and sac being returned to their proper positions within the abdominal cavity. Typically, a synthetic mesh or sheet will then be placed over the weak point in the abdominal wall, which reinforces the area and helps prevent a recurrence.

Risk Factors for Stomach Cancer

Dr. Eric Gan Keng Seng, an accomplished surgeon in Singapore, divides his time between working as the director of Bridge Bariatrics and serving as a consultant surgeon at Mount Elizabeth Novena Hospital. In addition to performing bariatric and laparoscopic surgeries, Dr. Eric Gan specializes in managing gastric cancer.

Also known as stomach cancer, gastric cancer occurs when the inner lining of the stomach produces cancer cells. Scientists do not know the exact reason stomach cancer develops, but there are several known risk factors associated with the disease.

Researchers have discovered a strong correlation between stomach cancer and diets high in salted and smoked foods. As the use of refrigeration has increased around the world, international rates of stomach cancer have decreased.

Studies have also found connections between stomach cancer and other diseases and conditions. Tumors in other areas of the digestive system increase the risk of stomach cancer, as do stomach polyps and infections with H. pylori, a common bacteria. Gastritis, long-lasting anemia, and lymphoma also have been connected to higher rates of stomach cancer.

Age, sex, ethnicity, and family history are other risk factors for developing stomach cancer. The disease is most prevalent in adult males over 49 years old. South American, Belarusian, and Asian people are also more at risk, as are individuals who have a family history of the disease.

Rising Obesity Rates in Singapore Contributing to Increase in Diabetes

Dr. Eric Gan Keng Seng is a consultant surgeon at Mount Elizabeth Novena Medical Centre in Singapore. Dr. Eric Gan focuses much of his work on bariatric surgeries and other therapies for patients who are considered obese.

Obesity rates are on the rise in Singapore. In 2004, just 7 percent of the adult population was considered obese. The most recent National Health Survey, conducted in 2010, found that obesity rates had risen to 11 percent. Childhood obesity, which is now above 12 percent, is also on the rise.

While these rates are lower than those in many other countries, the trend in Singapore is concerning. Individuals who are obese are at increased risk for chronic conditions including diabetes, and people of Asian descent tend to be especially vulnerable to these conditions.

Diabetes rates in Singapore are already high, and experts expect these trends to continue. Some experts suggest that more than a third of young adults in Singapore can expect to develop diabetes by their 65th birthday.

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