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Pre-thrombolysis venogram images (A, B) show diffuse, extensive thrombosis (arrows) at left brachial, axillary, subclavian and brachiocephiliac veins. Post-thrombolysis venogram images (C, D) show that previous extensive thrombosis in the left upper extremity veins has disappeared completely (BCV: brachiocephalic vein, SV: subclavian vein, AV: axillary vein, BV: brachial vein).
