Respiratory System Disorder Lung Disorder Pulmonary Disorders Disorder of Lung Pulmonary Diseases Pulmonary Disorder Lung Disorder Pulmonary Disease Lung Disorders A non-neoplastic or neoplastic disorder affecting the lung. Representative examples of non-neoplastic disorders include chronic obstructive pulmonary disease and pneumonia. Representative examples of neoplastic disorders include benign processes (e.g., respiratory papilloma) and malignant processes (e.g., lung carcinoma and metastatic cancer to the lung). Thoracic Disorder