A 58-year-old businessman flew to Korea from New York by plane. Except for infrequent visits to the toilet, he remained in his seat sleeping or reading. Toward the end of the long flight, he experienced mild cramplike pain in his right calf. On feeling his leg, he found it to be tender but thought nothing more about it. On reaching his destination, he was walking down the ramp from the plane, when he suddenly collapsed with severe pain in his left chest and was experiencing extreme respiratory distress. The airport physician made the diagnosis of pulmonary embolism, secondary to deep vein thrombosis of the right calf.
29. The blood clot (embolus) reached the left lung via the following blood vessels except which?
(a) The right popliteal vein
(b) The right common iliac vein
(c) The inferior vena cava
(d) The pulmonary trunk
(e) The left pulmonary vein
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