What does this article add?
Many angiogenic and anti-angiogenic factors have been evaluated in terms of DBGHL prognosis in the literature. The number of studies evaluating these three factors at the same time is rare. In our study, the clinical characteristics of both angiogenic factors VEGF, PDGFR_B and anti-angiogenic factor thrombospondin-1 such as comorbidity at the time of diagnosis, response to treatment and prognosis were investigated.