A Study to Learn About the Study Medicine (Called Avelumab) in People With Advanced Urothelial Cancer After Chemotherapy

University Hospitals Bristol, Bristol

Beatson West of Scotland Cancer Centre, Glasgow

Royal Surrey County Hospital, Guildford

University College London Hospital, London

Guy's and St Thomas' Hospital, London

The Christie NHS Foundation Trust, Manchester

Clatterbridge Hospital, Metropolitan Borough of Wirral

Churchill Hospital, Oxford

Royal Preston Hospital, Preston

Lister Hospital, Stevenage