A 20-year-old male presented with pain in the right shoulder region which aggravated with activity. On examination, a mass was felt in the right shoulder region which was warm and tender, had increased surface vascularity and a bruit was discernable over the mass. There was decreased range of motion of the right shoulder joint. X-ray of the concerned area was done. Radionuclide scan was also carried out. The tumour was resected and sent for HPE examination. Which is the most likely diagnosis in the above scenario: -