1 — Subclavian vein; 2 — Suprascapular vein; 3 — External jugular vein; 4 — Internal jugular vein; 5 — Superior thyroid vein; 6 — Retromandibular vein; 7 — Occipital vein; 8 — Superficial temporal veins; 9 — Angular vein; 10 — Facial vein; 11 — Anterior jugular vein; 12 — Left
brachiocephalic vein