Upper Gastrointestinal Surgery

What is Upper Gastrointestinal Surgery

The human gastrointestinal tract, or GI tract, is an organ system responsible for consuming and digesting food, absorbing nutrients and expelling waste. The tract consists of the stomach and intestines, and is divided into the upper and lower gastrointestinal tracts.

The digestive tract includes the esophagus (or food tube), stomach, small intestine and colon or large intestine/bowel. It begins at the mouth and ends at the anus. Gut motility is the term given to the stretching and contractions of the muscles in the gastrointestinal tract.

Our Centres Of Excellence



Women's Health


ENT, Head And Laser Surgery

Meet Our Upper Gastrointestinal Surgery ​ Specialists

Get to know our specialists here at Thomson Hospital Kota Damansara.

Resident Consultant

Dr Kwan Keat Leong

BMedSc (UKM) , MD (UKM) , MS (UKM) , FRCS (Ire) , Fellowship in Oesophageal & Upper Gastrointestinal Surgery (HK) , Fellowship in D2 Gastrectomy (Japan)

Spoken Language
Cantonese, English, Malay, Mandarin

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Sessional Consultants

Dr Reynu Rajan

Dr Reynu Rajan

MBBS (MAHE, IND) , MS UKM (Surgery) , Fellowship in Bariatric Surgery (Taiwan) , Fellowship in Advance Laparoscopy and Bariatric Surgery (IND)

Spoken Language
English, Malay

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