Heterotopic bone formation secondary to trauma (myositis ossificans traumatica).
D001134:Arm Injuries / Q000150:complications*; D006801:Humans; D006811:Humerus / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D009221:Myositis Ossificans / Q000209:etiology* / Q000601:surgery