<prompt> Following the given X Ray most probable diagnosis is ?Ewing sarcomaGiant cell TumorOsteosarcomaAneurysmal Bone cyst  <response>: Giant cell tumor - It goes till the joint. It is the only tumor to involve the joint. It is seen in 20-40 years of age after skeletal maturity. It occurs in epiphysis mainly and extends into metaphysis, so called as epiphyseal-metaphysis tumor Osteosarcoma - aggressive presentation and found in metaphysis. Giant cell tumor-Osteoclastoma. ABC - It occurs in metaphysis and seen in skeletally immature individuals 11-20 years 