Guest editor and expert Lynelle Johnson provides the latest updates in respiratory medicine. Topics will include clinical respiratory physiology and immunology, approach to the respiratory patient, new imaging techniques, canine nasal aspergillosis, canine eosinophilic lung disease, interstitial lung disease in dogs and cats, fungal infections of the lower respiratory tract, cardiac effects of pulmonary disease, advances in respiratory therapy, medical and surgical management of pyothorax, and nutritional considerations for animals with pulmonary disease.