HRCT Chest patterns — UIP vs NSIP vs AIP; Superimposed infection in fibrotic lung disease

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scan Radiology

A 68-year-old man with a 20-year history of COPD presents with acute worsening of dyspnea and hemoptysis. HRCT chest shows areas of consolidation with air bronchograms in the right upper lobe, along with irregular linear opacities and traction bronchiectasis in the bilateral lower lobes. Which of the following is the most likely diagnosis?

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