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CT scan clearly showing the cystic processes in this patient.
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Chest X ray showed bibasilar cystic vs. cavity lesions. CT chest with contrast showed ground glass opacities throughout both lungs (Figure 1).
H&E staining of lung biopsy which shows intraluminal myxoid material and polypoid mass of granulation tissue filling the lumen of alveolar duct (Masson body) and interstitial fibroblasts and hemosidrin deposits due to mild chronic inflammation.
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He underwent VATS (Video Assisted Thoracic Surgery) and tissue histology from right lower and upper lobes specimens showed myxoid intra-luminal material surrounded by fibroblasts and hemosiderin with slight interstitial inflammation consistent with COP (Figure 2).