Did you know? Plasma cell–rich lung disorders can mimic infections, COPD exacerbations, or malignancy on imaging. Distinguishing reactive inflammation from neoplastic disease often requires integrated radiology, histopathology, and immunohistochemistry to guide accurate pulmonary diagnosis and management.
In patients with atypical pulmonary nodules or fibrosis, when should advanced tissue diagnostics be prioritized over imaging alone?

In patients with atypical pulmonary nodules or fibrosis, when should advanced tissue diagnostics be prioritized over imaging alone?