Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . There is minimal left apical scarring . The lungs are otherwise clear . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . The thoracic aorta is tortuous . There is eventration of the right hemidiaphragm . Compression fracture of the thoracic spine is better appreciated on the CT from the same day .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Compression fracture of the thoracic vertebra , better appreciated on the CT from the same day . Chronicity is unknown as no priors are available at the time of this dictation .