(A, B) Bilateral patchy, ill-defined, dense nodular, parenchymal opacities in the lungs at 4 months after heart transplant. (C, D) Pulmonary embolism with large clot burden within the right pulmonary artery, multiple areas of consolidation with cavitation, evolving from larger denser areas and new left lower lobe consolidation at 8 months posttransplant. (E, F) Follow-up 6 weeks into therapy revealing nodular consolidative changes, some improved and others new and enlarged.