Improvements in detection and treatment of prostate cancer (PCa) translate into more men living with PCa, who are therefore potentially at risk of a secondly diagnosed primary tumour (SDPTs). Little is known about potential biochemical mechanisms linking PCa with the occurrence of SDPTs. | Glucose lipids and gamma-glutamyl transferase measured before prostate cancer diagnosis and secondly diagnosed primary tumours A prospective study in the Swedish AMORIS cohort