Transbronchial Biopsies: Clinical Perspective. Endobronchial and Transbronchial Biopsies. Pediatric Lung Biopsy. Interstitial Lymphocytic Infiltrates. Interstitial Fibrosis, Predominately Mature. Clinical and Radiologic Diagnosis of Interstitial Infiltrates. Interstitial and Intraalveolar Fibrosis, Preominately Immature. Intraalveolar Exudates/Inflitrates. Clinical and Radiologic Diagnosis of Intraalveolar Infiltrates and Exudates. Pulmonary Eosinophilia. Clinical Diagnosis of Pulmonary Eosinophilia. Small Airway Lesions. Pulmonary Hemorrhage. Pulmonary Hemorrhage. Clinical and Radiologic Diagnosis of Pulmonary Hemorrhage. Granulomas and Granulomatous Inflammation. Clinical and Radiologic Diagnosis and Types of Granulomas. Enlarged Airspaces. Pulmonary Vascular Lesions. Vasculitis. Clinical and Radiological Diagnosis of Pulmonary Vascular Disease. Diagnostic Approach to the Patient with Necrosis on Lung Biopsy. Transplant-Related Pathology. Clinical Diagnosis of Transplant-Related Problems. Intra- and Extracellular Structures. Molecular Diagnosis of Infections. Nonmalignant Versus Malignant Proliferations on Lung biopsy. Preneoplastic and Preinvasive Lesions. Clinical Diagnosis of Pulmonary Neoplasms. Radiologic Diagnosis of Pulmonary Neoplasms. Nonmalignant vs. Malignant Proliferations on Pleural Biopsy. Clinical Diagnosis of Pleural Disease. Radiologic Diagnosis of Pleural Disease. Malignant Epithelial Neoplasms. Differential Diagnosis of Neuroendocrine Lung Neoplasms. Benign Epithelial Neoplasms of the Distal Lobular Unit of the Lung. Spindle-Cell Neoplasms of Lung and Pleura. Biphasic Pulmonary Neoplasms. Uncommon Endobronchial Neoplasms. Localized Pleural Tumors. Molecular Diagnostics of Pulmonary Neoplasms. Molecular Diagnostics of Pleural Neoplasms.