Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm Acute / Subacute: • Acute Infections: Lung abscess, Necrotizing Pneumonia, Septic Emboli, Fungal Infection, Nocardia Chronic (≥ 12 weeks): • Chronic Infections: TB, NTB, Fungal, Parasitic, Viral • Malignancy: Primary lung cancer, Metastatic lung disease • Autoimmunity: RA, GPA #Cavitary #Lung #Disease #Diagnosis #Algorithm #lesion #pulmonary #differential
