Sarcoma of any variety is notorious for slow and delayed diagnosis.  A missed sarcoma is a patient and GP nightmare. The UK, despite a national effort for earlier diagnosis of cancer, compares dismally with similar European countries. How can the UK improve? Will a new UK Referral Pathway help?A new UK Sarcoma Referral Pathway has been constructed. When is a lump sinister? In a generalist setting? Does size matter? What diagnostic tools work? How can we access diagnosis in general practice?Trustworthiness and coherence Three case studies – aggressive lesions, all mishandled by everyone. 1980s – A liposarccoma. A doom-laiden 20 year old F 2015s – A spindle cell sarcoma in a 60 year old M 2025s – Another liposarcoma in a 40 year old MSignificance for practice/policy/education Sarcoma is rare and nasty. How do we deal with sarcoma in a generalist setting? How do we alert patients without panic? What diagnostics do we require in primary care?Sarcoma in the UK – we have to do better A pan European perspective. Are UK sarcoma failings unique to UK? How can we all learn from each other?Alec Logan Logan Practice, Wishaw, Lanarkshire, Scotland Honorary Clinical Senior Lecturer, University of Glasgow Tutor, HCP-Med Programme, University of Edinburgh Expert Advisory Group for Earlier Diagnosis, Sarcoma UK, London, United Kingdom