CT Pulmonary Angiography > Systematic Approach > Left Lung > Left Pulmonary Arteries
Left Pulmonary Arteries
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The LPA leaves the main PA, passing superiorly over the left mainstem bronchus, to descend posterior to the bronchus.

Left Pulmonary Arteries
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The LPA leaves the main PA, passing superiorly over the left mainstem bronchus, to descend posterior to the bronchus.
