The secondary care diagnostic interval (SCDI) is the period of time, in days, from a patient’s first interaction with secondary care, which can be a referral, appointment or diagnostic test, to their cancer diagnosis. A short SCDI is not necessarily better, as it may represent the presence of clear symptoms or advanced disease, which result in a quicker cancer diagnosis. In partnership with Cancer Research UK, PHE has published new data showing the SCDIs for cancer patients in England diagnosed…