Clinical features


♦ Swelling of the neck, face, and arms, especially in the morning

♦ Visual disturbance

SVCO itself does not impair respiration but it is commonly associated with dyspnoea due to tracheal or bronchial obstruction/ compression


♦ Fixed engorgement of external and internal jugular veins

♦ Collateral veins over anterior and lateral chest wall (which drain down)

♦ Papilloedema (late feature)

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