Obstruction of a child's trachea by a polypoid hemangioendothelioma.
D006390:Hemangioendothelioma / Q000150:complications* / Q000601:surgery; D006801:Humans; D007223:Infant; D008297:Male; D012131:Respiratory Insufficiency / Q000209:etiology*; D014134:Tracheal Neoplasms / Q000150:complications* / Q000601:surgery