Thoracic Duct Left Venous Angle — FRCA Primary MCQ

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EasyAnatomyThoracic Duct Left Venous AngleFRCA Primary

The thoracic duct is the largest lymphatic vessel in the body. It empties into the venous system at the:

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Correct answer: C — Junction of the left subclavian and left internal jugular veins (left venous angle)

The thoracic duct drains lymph from the entire body except the right upper quadrant (right arm / right thorax / right head and neck — drained by the right lymphatic duct). It empties at the junction of the left subclavian and left internal jugular veins (left venous angle). It ascends through the posterior mediastinum and arches over the left subclavian artery.

Reference: RCoA 2021 Primary FRCA Curriculum