Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are mildly hyperinflated , but clear . No evidence of pneumonia , pulmonary edema , or pleural effusion . Heart size is normal . No gross osseous acute deformity of the ribs or significant compression deformity of the thoracic spine , although chest radiographs provided limited assessment for such . Ossification of the anterior longitudinal ligament throughout the majority of the thoracic spine is indicative of diffuse idiopathic skeletal hyperostosis .
    OUTPUT:
    
1 . No acute cardiopulmonary process .