Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The aorta is mildly unfolded . Mediastinal and hilar contours are otherwise unremarkable . The pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is seen . Minimal subsegmental atelectasis is noted within the right lung base . Multiple punctate radiopaque densities are seen within the the left lower back . No acute osseous abnormalities are present .
    OUTPUT:
    
No acute cardiopulmonary process .