Keywords: lung infiltrate, chronic respiratory failure, chronic lung disease, chronic obstructive pulmonary disease, drug induced pulmonary disease, pulmonary sarcoid, pulmonary stent placement, pulmonary therapy, recurrent lung infections, asbestos lung, lung cancer screening, lung disease, lung mass, maternal respiratory disease, occupational lung injury, restrictive lung disease, rheumatoid lung, pulmonary embolism, pulmonary fibrosis, pulmonary function tests (pft)