Painful swelling over right tibia.
D000328:Adult; D001859:Bone Neoplasms / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D005354:Fibrosarcoma / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D011859:Radiography; D013977:Tibia / Q000000981:diagnostic imaging*