Abstract LBA5_PR ‘Radiotherapy (RT) to the primary tumour for men with newly-diagnosed metastatic prostate cancer (PCA): survival results from STAMPEDE (NCT00268476)’ will be presented by Chris Parker during Presidential Symposium 2 on Sunday 21 October, 16:30 to 18:10 (CEST) in Room 18 - Hall A2. Annals of Oncology, Volume 29 Supplement 8 October 2018