Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . The heart size is moderately enlarged but stable . The aorta is calcified and tortuous , unchanged . The pulmonary vascularity is accentuated , but no frank pulmonary edema is identified . No focal consolidation , pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Low lung volumes but no acute cardiopulmonary abnormality .