<prompt> A 30-year-old male presented with hip pain for last 6 months. Hip X-ray is as shown below. What is the likely diagnosis?Giant cell tumorSimple Bone CystAdamantinomaEwings sarcoma  <response>: Radiographic findings often are diagnostic. The characteristic x ray findings of GCT are: Eccentric Expansile Lobulated Lytic Metaphyseal NO matrix calcification of periosteal new bone formation 