Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest show persistent low lung volumes without pleural effusion , focal consolidation or pneumothorax . The pulmonary vasculature is not engorged . The cardiac silhouette is top normal in size but stable . Left hilar densities are unchanged from the preceding radiograph and likely represent calcified lymph nodes . The mediastinal and hilar contours are unchanged . A surgical clip anterolateral to the right hilum is stable . No acute osseous abnormality is identified ; however , the lower lateral ribs are excluded from view .
    OUTPUT:
    
No cardiopulmonary finding to suggest trauma .