Positron emission tomography (PET) uses small amount radioactive materials called radiotracers to assess physiology an biochemistry. Therefore, it provides a potential tor earlier and more sensitive detection of disease. Additionally CT helps in anatomical localization. So the combined PET/CT optimizes accuracy in cancer diagnosis and management. The department is equipped with the latest Siemens Biograph 16 PET/CT machine, which is the latest machine of its kind in North India.