Teratoma of the neck in infants.
D006258:Head and Neck Neoplasms / Q000473:pathology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases; D008297:Male; D013724:Teratoma / Q000473:pathology*; D013964:Thyroid Neoplasms / Q000473:pathology*