1 — Right subclavian vein; 2 — Internal jugular vein; 3 — External jugular vein; 4 — Superficial temporal veins; 5 — Posterior auricular vein; 6 — Occipital vein; 7 — Angular vein; 8 — Lingual vein; 9 — Facial vein; 10 — Anterior jugular vein; 11 — Right brachiocephalic vein