Approach to the diagnosis of chronic hypersensitivity pneumonitis.
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial lung biopsy, transbronchial lung cryobiopsy, or surgical lung biopsy.
Consider additional test: transbronchial lung biopsy, transbronchial lung cryobiopsy, or surgical lung biopsy.
cHP = chronic hypersensitivity pneumonitis; HRCT = high-resolution computed tomography; UIP = usual interstitial pneumonia.
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