Cystic hygroma of the neck.
D000293:Adolescent; D000328:Adult; D005260:Female; D006258:Head and Neck Neoplasms / Q000175:diagnosis / Q000196:embryology / Q000473:pathology / Q000601:surgery*; D006801:Humans; D007223:Infant; D008202:Lymphangioma / Q000175:diagnosis / Q000196:embryology / Q000473:pathology / Q000601:surgery*; D008297:Male