Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . The heart size is mildly enlarged , but stable . The mediastinal and hilar contours are unremarkable . There is mild crowding of the bronchovascular structures , but no pulmonary edema is seen . No focal consolidation , pleural effusion or pneumothorax is visualized . No acute osseous abnormalities are present .
    OUTPUT:
    
No radiographic evidence for pneumonia .