From the case:
Pulmonary hemorrhage
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Right upper zone airspace opacity.
From the case:
Pulmonary hemorrhage
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Extensive airspace opacity mainly in the right upper lobe.
Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
Case Discussion
Pulmonary hemorrhage is one of many causes of alveolar opacities. I believe that this case was shown to be hemorrhage although I have no further information to support this conclusion.