National Cancer Registration and Analysis Service (NCRAS) Explains why information about cancer patients is recorded by NCRAS, how it is used and how patients can opt out of cancer registration. From: Contents NCRAS) is run by Public Health England ( PHE). It is responsible for cancer registration in England to support cancer epidemiology, public health, service monitoring and research. Cancer registration The NHS has made great strides in recent years in understanding what causes cancer and how best to diagnose and treat it. This work can only continue to progress if there is accurate and complete information about the people who are developing cancer. This information is collected through a process called cancer registration.