Sternomastoid tumor in identical twins.
D001859:Bone Neoplasms; D004194:Disease; D006801:Humans; D008416:Mastoid; D009135:Muscular Diseases; D009141:Musculoskeletal System; D009369:Neoplasms; D013249:Sternum; D014427:Twins; D014430:Twins, Monozygotic
MASTOID/neoplasms; STERNUM/neoplasms; TWINS/diseases