Metrics Downloaded 0 times History Received 16 November 2018 Accepted 28 March 2019 Published online 15 May 2019 Published in print June 2019 Information © 2019 Future Medicine Ltd KeywordsAcknowledgments All authors like to thank the radiologists, nurses and statisticians for helping with data collection and analysis. Financial & competing interests disclosure T Prasanna, M Arasaratnam have indicated that they have received travel/accommodation support from Amgen and BMS.