Gastrointestinal (GI) Onco-surgery focuses on the surgical treatment of cancers affecting the digestive system, including the esophagus, gallbladder and biliary tract, pancreas, liver, stomach, small intestine, colon, rectum, and anal canal. At the Asian Center of Oncology and Haematology, advanced diagnostic tools such as high-resolution X-rays, MRI, and PET-CT scans enable precise and early detection of these malignancies, ensuring timely and effective treatment planning.