Cervicomediastinal cystic hygroma.
D002648:Child; D006258:Head and Neck Neoplasms; D006801:Humans; D007223:Infant; D008202:Lymphangioma; D018191:Lymphangioma, Cystic; D008479:Mediastinal Neoplasms; D008482:Mediastinum
LYMPHANGIOMA/in infancy and childhood; MEDIASTINUM/neoplasms; NECK/neoplasms