Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , causing bronchovascular crowding . The cardiomediastinal silhouette is unremarkable . No focal consolidation , pleural effusion , or pneumothorax detected . Within the limitations of chest radiography , osseous structures are unremarkable .
    OUTPUT:
    
No acute intrathoracic process detected .