Patients suffering from cancer often need to go through Magnetic resonance imaging (MRI) and Positron emission tomography (PET scan). They are done to diagnose cancers for checking their spread or to figure out the progress while on treatment. Apollo Hospital in New Delhi has launched a PET-MR scanner which combines both the MRI and the PET scan thus providing better imaging and timely diagnosis of the cancer. It is so accurate that it can often diagnose structural and functional changes in the body even before clinical symptoms begin to show. Some specialists also claim that it can help with diagnosis