Diagnosis or documented clinical suspicion of chronic lung disease, including interstitial lung disease, pulmonary granulomatosis such as sarcoidosis, or pulmonary emphysema.
Availability of a lung tissue biopsy sample obtained during routine medical care and stored as a formalin-fixed paraffin-embedded sample.
Sufficient medical record information to document the clinical context, occupational or environmental exposure history, smoking status, imaging, pathology reports, and other relevant routine-care data.
No documented objection to the secondary use of health data and biological samples for this research.
You may not be if
Documented objection to participation in the study or to the secondary use of health data or biological samples for research.
Missing, unavailable, degraded, or technically unusable biopsy sample.
Insufficient medical record information to document the clinical context or exposure history.
Lung condition outside the scope of the study, such as isolated acute infection, isolated cardiac disease, or primary lung cancer.
Patient under legal protection when the applicable legal conditions for non-opposition cannot be fulfilled.