Negative-pressure pulmonary edema (NPPE) occurs when a large, negative intrathoracic pressure is generated against an obstructed upper airway, causing fluid to shift into the lung interstitium.
There was edema in the ankles ... symmetric hilar lymphadenopathy (Panel B, arrows). CT images in lung windows show multiple pulmonary nodules (Panels C and D, arrows). Subtle nodular interlobular ...