Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . Right lower lobe linear atelectasis is present with mild elevation of the right hemidiaphragm due to volume loss . No pleural effusion or pneumothorax is present . No acute osseous abnormalities seen . Mild loss of height is noted of a mid thoracic vertebral body , which appears chronic .
    OUTPUT:
    
Right lower lobe linear atelectasis .