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Left Subclavian Lymphatic Trunk
Lymphoid System

Left Subclavian Lymphatic Trunk

Truncus lymphaticus subclavius sinister

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The subclavian trunk is formed by efferent lymphatic vessels from the axillary lymph nodes. The left subclavian trunk follows the axillary and subclavian veins, conveying lymph from the left upper limb and superficial tissue of the left side of the thorax and abdomen, down as far as the umbilicus. It drains into either the thoracic duct or directly into the left subclavian or internal jugular vein.

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