What condition is associated with right lung infiltrates during aspiration events?

Right lung infiltrates during aspiration events are primarily associated with the anatomy of the bronchial tree. The right main bronchus is wider, shorter, and more vertically oriented than the left, making it more likely for aspirated materials to enter the right lung. Therefore, when a person aspirates, foreign substances, such as food or liquid, typically tend to lodge in the right lung, leading to localized infiltrates observed on imaging studies. This anatomical predisposition explains the frequency of aspiration-related complications, particularly in the right lung.

The other conditions listed, while they may involve infiltrates, do not specifically correlate with the mechanism of aspiration in the same anatomical context. Pneumonia can result from aspiration but is a broader term encompassing infection not limited to a specific lung side. Pulmonary embolism and pulmonary edema have different underlying pathophysiological mechanisms that do not center around aspiration events and therefore would not typically result in right lung infiltrates due to aspirated materials.