Osteoclastoma from cartilage.
D001859:Bone Neoplasms; D002356:Cartilage; D004431:Ear, External; D018212:Giant Cell Tumor of Bone; D005870:Giant Cell Tumors; D006801:Humans; D009369:Neoplasms
EAR, EXTERNAL/neoplasms; GIANT CELL TUMORS