PET-CT scans can help to diagnose cancer, find out how big a cancer is and whether it has spread (stage a cancer), decide whether you can have surgery to remove your cancer, decide which is the best treatment for your cancer, check whether your cancer has come back. A PET-CT scan can also show how well a cancer treatment is working.

Early and accurate diagnosis with selection of the correct treatment plan are important factors for patient survival. PET/CT scan collects data at a molecular level at any point in the body, allowing for early diagnosis of the disease.