Sarcomas are a family of rare and heterogeneous cancers with a combined yearly incidence of ∼6 people per 100 000 population.1 Accurate pathological diagnosis is essential to guide management and discuss prognosis. Since the 1980s, many studies have highlighted significant discrepancies in histological diagnosis between general pathologists and reference sarcoma pathologists.2-5 Consequently, the management of sarcoma patients within expert reference centres has been advocated, with many stakeholders raising awareness over the years on the need to improve access to expert care for patients with rare cancers.