Part I: Lung -- I: Neoplasms, benign -- II: Neoplasms, malignant, primary -- III: Neoplasms, metastatic -- IV: Nonneoplastic and systemic conditions -- V: Parasitic disorders -- VI: Infectious diseases -- Part II: Pleura -- I: Neoplasms, benign -- II: Neoplasms, malignant, primary -- III: Other lesions of pleura -- Part III: Mediastinum -- I: Neoplasms, benign -- II: Neoplasms, malignant, primary -- III: Other benign/reactive conditions

1. Thoracic Diseases -- pathology
2. Lung Diseases -- pathology
3. Pleural Diseases -- pathology
4. Diagnosis
5. Differential